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Finding the Fourth Proportional to 132,587.84, 198,914.52 and 62,450.72

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Solution

The fourth proportional to 132,587.84, 198,914.52 and 62,450.72 is: 93,691.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,587.84 : 198,914.52 = 62,450.72 : x
  2. Step 2: Convert to fraction form
    132,587.84/198,914.52 = 62,450.72/x
  3. Step 3: Cross multiply
    132,587.84x = 198,914.52 × 62,450.72
  4. Step 4: Simplify right side
    132,587.84x = 12,422,354,992.45
  5. Step 5: Solve for x
    x = 12,422,354,992.45/132,587.84
  6. Step 6: Final answer
    x = 93,691.51

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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.