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Finding the Fourth Proportional to 162,488.50, 224,232.24 and 90,867.85

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Solution

The fourth proportional to 162,488.50, 224,232.24 and 90,867.85 is: 125,396.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,488.50 : 224,232.24 = 90,867.85 : x
  2. Step 2: Convert to fraction form
    162,488.50/224,232.24 = 90,867.85/x
  3. Step 3: Cross multiply
    162,488.50x = 224,232.24 × 90,867.85
  4. Step 4: Simplify right side
    162,488.50x = 20,375,501,549.48
  5. Step 5: Solve for x
    x = 20,375,501,549.48/162,488.50
  6. Step 6: Final answer
    x = 125,396.58

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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.