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Finding the Fourth Proportional to 169,472,763.12, 233,865,526.68 and 96,132,330.48

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Solution

The fourth proportional to 169,472,763.12, 233,865,526.68 and 96,132,330.48 is: 132,658,709.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,472,763.12 : 233,865,526.68 = 96,132,330.48 : x
  2. Step 2: Convert to fraction form
    169,472,763.12/233,865,526.68 = 96,132,330.48/x
  3. Step 3: Cross multiply
    169,472,763.12x = 233,865,526.68 × 96,132,330.48
  4. Step 4: Simplify right side
    169,472,763.12x = 22,482,038,098,681,020
  5. Step 5: Solve for x
    x = 22,482,038,098,681,020/169,472,763.12
  6. Step 6: Final answer
    x = 132,658,709.78

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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.