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Finding the Fourth Proportional to 93,653.76, 140,480.76 and 38,249.76

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Solution

The fourth proportional to 93,653.76, 140,480.76 and 38,249.76 is: 57,374.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,653.76 : 140,480.76 = 38,249.76 : x
  2. Step 2: Convert to fraction form
    93,653.76/140,480.76 = 38,249.76/x
  3. Step 3: Cross multiply
    93,653.76x = 140,480.76 × 38,249.76
  4. Step 4: Simplify right side
    93,653.76x = 5,373,355,354.62
  5. Step 5: Solve for x
    x = 5,373,355,354.62/93,653.76
  6. Step 6: Final answer
    x = 57,374.69

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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.