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Finding the Fourth Proportional to 162,317.60, 243,361.20 and 62,439.20

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Solution

The fourth proportional to 162,317.60, 243,361.20 and 62,439.20 is: 93,614.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,317.60 : 243,361.20 = 62,439.20 : x
  2. Step 2: Convert to fraction form
    162,317.60/243,361.20 = 62,439.20/x
  3. Step 3: Cross multiply
    162,317.60x = 243,361.20 × 62,439.20
  4. Step 4: Simplify right side
    162,317.60x = 15,195,278,639.04
  5. Step 5: Solve for x
    x = 15,195,278,639.04/162,317.60
  6. Step 6: Final answer
    x = 93,614.49

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1.5x scale

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.