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Finding the Fourth Proportional to 132,792.60, 183,251.51 and 72,363.77

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Solution

The fourth proportional to 132,792.60, 183,251.51 and 72,363.77 is: 99,860.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,792.60 : 183,251.51 = 72,363.77 : x
  2. Step 2: Convert to fraction form
    132,792.60/183,251.51 = 72,363.77/x
  3. Step 3: Cross multiply
    132,792.60x = 183,251.51 × 72,363.77
  4. Step 4: Simplify right side
    132,792.60x = 13,260,769,205.54
  5. Step 5: Solve for x
    x = 13,260,769,205.54/132,792.60
  6. Step 6: Final answer
    x = 99,860.75

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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.