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Finding the Fourth Proportional to 162,358.60, 243,422.70 and 62,480.20

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Solution

The fourth proportional to 162,358.60, 243,422.70 and 62,480.20 is: 93,675.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,358.60 : 243,422.70 = 62,480.20 : x
  2. Step 2: Convert to fraction form
    162,358.60/243,422.70 = 62,480.20/x
  3. Step 3: Cross multiply
    162,358.60x = 243,422.70 × 62,480.20
  4. Step 4: Simplify right side
    162,358.60x = 15,209,098,980.54
  5. Step 5: Solve for x
    x = 15,209,098,980.54/162,358.60
  6. Step 6: Final answer
    x = 93,675.97

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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.