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Finding the Fourth Proportional to 132,792.73, 183,251.68 and 72,363.89

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Solution

The fourth proportional to 132,792.73, 183,251.68 and 72,363.89 is: 99,860.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,792.73 : 183,251.68 = 72,363.89 : x
  2. Step 2: Convert to fraction form
    132,792.73/183,251.68 = 72,363.89/x
  3. Step 3: Cross multiply
    132,792.73x = 183,251.68 × 72,363.89
  4. Step 4: Simplify right side
    132,792.73x = 13,260,804,594.74
  5. Step 5: Solve for x
    x = 13,260,804,594.74/132,792.73
  6. Step 6: Final answer
    x = 99,860.93

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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.