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Finding the Fourth Proportional to 221,907.60, 332,854.11 and 88,752.11

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Solution

The fourth proportional to 221,907.60, 332,854.11 and 88,752.11 is: 133,125.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,907.60 : 332,854.11 = 88,752.11 : x
  2. Step 2: Convert to fraction form
    221,907.60/332,854.11 = 88,752.11/x
  3. Step 3: Cross multiply
    221,907.60x = 332,854.11 × 88,752.11
  4. Step 4: Simplify right side
    221,907.60x = 29,541,502,920.40
  5. Step 5: Solve for x
    x = 29,541,502,920.40/221,907.60
  6. Step 6: Final answer
    x = 133,125.24

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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.