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Finding the Fourth Proportional to 147,630.70, 221,446.05 and 58,897.90

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Solution

The fourth proportional to 147,630.70, 221,446.05 and 58,897.90 is: 88,346.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,630.70 : 221,446.05 = 58,897.90 : x
  2. Step 2: Convert to fraction form
    147,630.70/221,446.05 = 58,897.90/x
  3. Step 3: Cross multiply
    147,630.70x = 221,446.05 × 58,897.90
  4. Step 4: Simplify right side
    147,630.70x = 13,042,707,308.30
  5. Step 5: Solve for x
    x = 13,042,707,308.30/147,630.70
  6. Step 6: Final answer
    x = 88,346.85

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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.