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Finding the Fourth Proportional to 162,480.68, 224,244.18 and 90,864.68

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Solution

The fourth proportional to 162,480.68, 224,244.18 and 90,864.68 is: 125,404.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,480.68 : 224,244.18 = 90,864.68 : x
  2. Step 2: Convert to fraction form
    162,480.68/224,244.18 = 90,864.68/x
  3. Step 3: Cross multiply
    162,480.68x = 224,244.18 × 90,864.68
  4. Step 4: Simplify right side
    162,480.68x = 20,375,875,657.56
  5. Step 5: Solve for x
    x = 20,375,875,657.56/162,480.68
  6. Step 6: Final answer
    x = 125,404.91

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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.