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Finding the Fourth Proportional to 136,227.69, 187,893.68 and 93,799.89

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Solution

The fourth proportional to 136,227.69, 187,893.68 and 93,799.89 is: 129,374.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,227.69 : 187,893.68 = 93,799.89 : x
  2. Step 2: Convert to fraction form
    136,227.69/187,893.68 = 93,799.89/x
  3. Step 3: Cross multiply
    136,227.69x = 187,893.68 × 93,799.89
  4. Step 4: Simplify right side
    136,227.69x = 17,624,406,046.70
  5. Step 5: Solve for x
    x = 17,624,406,046.70/136,227.69
  6. Step 6: Final answer
    x = 129,374.62

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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.