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Finding the Fourth Proportional to 132,314.93, 198,503.15 and 43,569.21

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Solution

The fourth proportional to 132,314.93, 198,503.15 and 43,569.21 is: 65,363.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,314.93 : 198,503.15 = 43,569.21 : x
  2. Step 2: Convert to fraction form
    132,314.93/198,503.15 = 43,569.21/x
  3. Step 3: Cross multiply
    132,314.93x = 198,503.15 × 43,569.21
  4. Step 4: Simplify right side
    132,314.93x = 8,648,625,210.17
  5. Step 5: Solve for x
    x = 8,648,625,210.17/132,314.93
  6. Step 6: Final answer
    x = 65,363.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.