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Finding the Fourth Proportional to 98,363.80, 147,582.96 and 58,949.20

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Solution

The fourth proportional to 98,363.80, 147,582.96 and 58,949.20 is: 88,446.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,363.80 : 147,582.96 = 58,949.20 : x
  2. Step 2: Convert to fraction form
    98,363.80/147,582.96 = 58,949.20/x
  3. Step 3: Cross multiply
    98,363.80x = 147,582.96 × 58,949.20
  4. Step 4: Simplify right side
    98,363.80x = 8,699,897,425.63
  5. Step 5: Solve for x
    x = 8,699,897,425.63/98,363.80
  6. Step 6: Final answer
    x = 88,446.13

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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.