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Finding the Fourth Proportional to 162,374.82, 224,087.76 and 90,757.86

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Solution

The fourth proportional to 162,374.82, 224,087.76 and 90,757.86 is: 125,251.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,374.82 : 224,087.76 = 90,757.86 : x
  2. Step 2: Convert to fraction form
    162,374.82/224,087.76 = 90,757.86/x
  3. Step 3: Cross multiply
    162,374.82x = 224,087.76 × 90,757.86
  4. Step 4: Simplify right side
    162,374.82x = 20,337,725,549.79
  5. Step 5: Solve for x
    x = 20,337,725,549.79/162,374.82
  6. Step 6: Final answer
    x = 125,251.72

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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.