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Finding the Fourth Proportional to 162,349.94, 224,042.18 and 90,729.92

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Solution

The fourth proportional to 162,349.94, 224,042.18 and 90,729.92 is: 125,206.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,349.94 : 224,042.18 = 90,729.92 : x
  2. Step 2: Convert to fraction form
    162,349.94/224,042.18 = 90,729.92/x
  3. Step 3: Cross multiply
    162,349.94x = 224,042.18 × 90,729.92
  4. Step 4: Simplify right side
    162,349.94x = 20,327,327,494.17
  5. Step 5: Solve for x
    x = 20,327,327,494.17/162,349.94
  6. Step 6: Final answer
    x = 125,206.87

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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.