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Finding the Fourth Proportional to 147,042.60, 220,499.10 and 58,266.60

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Solution

The fourth proportional to 147,042.60, 220,499.10 and 58,266.60 is: 87,374.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,042.60 : 220,499.10 = 58,266.60 : x
  2. Step 2: Convert to fraction form
    147,042.60/220,499.10 = 58,266.60/x
  3. Step 3: Cross multiply
    147,042.60x = 220,499.10 × 58,266.60
  4. Step 4: Simplify right side
    147,042.60x = 12,847,732,860.06
  5. Step 5: Solve for x
    x = 12,847,732,860.06/147,042.60
  6. Step 6: Final answer
    x = 87,374.22

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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.