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Finding the Fourth Proportional to 169,761.83, 234,270.16 and 93,281.73

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Solution

The fourth proportional to 169,761.83, 234,270.16 and 93,281.73 is: 128,728.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,761.83 : 234,270.16 = 93,281.73 : x
  2. Step 2: Convert to fraction form
    169,761.83/234,270.16 = 93,281.73/x
  3. Step 3: Cross multiply
    169,761.83x = 234,270.16 × 93,281.73
  4. Step 4: Simplify right side
    169,761.83x = 21,853,124,700.46
  5. Step 5: Solve for x
    x = 21,853,124,700.46/169,761.83
  6. Step 6: Final answer
    x = 128,728.14

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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.