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Finding the Fourth Proportional to 71,305.92, 98,385.84 and 46,150.56

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Solution

The fourth proportional to 71,305.92, 98,385.84 and 46,150.56 is: 63,677.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,305.92 : 98,385.84 = 46,150.56 : x
  2. Step 2: Convert to fraction form
    71,305.92/98,385.84 = 46,150.56/x
  3. Step 3: Cross multiply
    71,305.92x = 98,385.84 × 46,150.56
  4. Step 4: Simplify right side
    71,305.92x = 4,540,561,612.07
  5. Step 5: Solve for x
    x = 4,540,561,612.07/71,305.92
  6. Step 6: Final answer
    x = 63,677.20

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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.