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Finding the Fourth Proportional to 93,653.82, 129,238.43 and 53,364.15

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Solution

The fourth proportional to 93,653.82, 129,238.43 and 53,364.15 is: 73,640.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,653.82 : 129,238.43 = 53,364.15 : x
  2. Step 2: Convert to fraction form
    93,653.82/129,238.43 = 53,364.15/x
  3. Step 3: Cross multiply
    93,653.82x = 129,238.43 × 53,364.15
  4. Step 4: Simplify right side
    93,653.82x = 6,896,698,697.46
  5. Step 5: Solve for x
    x = 6,896,698,697.46/93,653.82
  6. Step 6: Final answer
    x = 73,640.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.