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Finding the Fourth Proportional to 93,653.63, 140,480.57 and 38,249.63

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Solution

The fourth proportional to 93,653.63, 140,480.57 and 38,249.63 is: 57,374.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,653.63 : 140,480.57 = 38,249.63 : x
  2. Step 2: Convert to fraction form
    93,653.63/140,480.57 = 38,249.63/x
  3. Step 3: Cross multiply
    93,653.63x = 140,480.57 × 38,249.63
  4. Step 4: Simplify right side
    93,653.63x = 5,373,329,824.69
  5. Step 5: Solve for x
    x = 5,373,329,824.69/93,653.63
  6. Step 6: Final answer
    x = 57,374.50

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.