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Finding the Fourth Proportional to 169,770.74, 234,269.60 and 93,285.89

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Solution

The fourth proportional to 169,770.74, 234,269.60 and 93,285.89 is: 128,726.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,770.74 : 234,269.60 = 93,285.89 : x
  2. Step 2: Convert to fraction form
    169,770.74/234,269.60 = 93,285.89/x
  3. Step 3: Cross multiply
    169,770.74x = 234,269.60 × 93,285.89
  4. Step 4: Simplify right side
    169,770.74x = 21,854,046,498.17
  5. Step 5: Solve for x
    x = 21,854,046,498.17/169,770.74
  6. Step 6: Final answer
    x = 128,726.82

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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.