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Finding the Fourth Proportional to 114,060.80, 157,402.98 and 65,672.24

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Solution

The fourth proportional to 114,060.80, 157,402.98 and 65,672.24 is: 90,627.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,060.80 : 157,402.98 = 65,672.24 : x
  2. Step 2: Convert to fraction form
    114,060.80/157,402.98 = 65,672.24/x
  3. Step 3: Cross multiply
    114,060.80x = 157,402.98 × 65,672.24
  4. Step 4: Simplify right side
    114,060.80x = 10,337,006,279.28
  5. Step 5: Solve for x
    x = 10,337,006,279.28/114,060.80
  6. Step 6: Final answer
    x = 90,627.16

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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.