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Finding the Fourth Proportional to 151,262.70, 226,894.05 and 98,385.90

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Solution

The fourth proportional to 151,262.70, 226,894.05 and 98,385.90 is: 147,578.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,262.70 : 226,894.05 = 98,385.90 : x
  2. Step 2: Convert to fraction form
    151,262.70/226,894.05 = 98,385.90/x
  3. Step 3: Cross multiply
    151,262.70x = 226,894.05 × 98,385.90
  4. Step 4: Simplify right side
    151,262.70x = 22,323,175,313.90
  5. Step 5: Solve for x
    x = 22,323,175,313.90/151,262.70
  6. Step 6: Final answer
    x = 147,578.85

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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.