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Finding the Fourth Proportional to 97,553.43, 134,734.79 and 65,666.97

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Solution

The fourth proportional to 97,553.43, 134,734.79 and 65,666.97 is: 90,695.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,553.43 : 134,734.79 = 65,666.97 : x
  2. Step 2: Convert to fraction form
    97,553.43/134,734.79 = 65,666.97/x
  3. Step 3: Cross multiply
    97,553.43x = 134,734.79 × 65,666.97
  4. Step 4: Simplify right side
    97,553.43x = 8,847,625,577.05
  5. Step 5: Solve for x
    x = 8,847,625,577.05/97,553.43
  6. Step 6: Final answer
    x = 90,695.18

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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.