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Finding the Fourth Proportional to 162,474.62, 224,215.65 and 90,854.60

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Solution

The fourth proportional to 162,474.62, 224,215.65 and 90,854.60 is: 125,379.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,474.62 : 224,215.65 = 90,854.60 : x
  2. Step 2: Convert to fraction form
    162,474.62/224,215.65 = 90,854.60/x
  3. Step 3: Cross multiply
    162,474.62x = 224,215.65 × 90,854.60
  4. Step 4: Simplify right side
    162,474.62x = 20,371,022,073.41
  5. Step 5: Solve for x
    x = 20,371,022,073.41/162,474.62
  6. Step 6: Final answer
    x = 125,379.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.