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Finding the Fourth Proportional to 162,382.84, 224,098.80 and 90,765.88

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Solution

The fourth proportional to 162,382.84, 224,098.80 and 90,765.88 is: 125,262.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,382.84 : 224,098.80 = 90,765.88 : x
  2. Step 2: Convert to fraction form
    162,382.84/224,098.80 = 90,765.88/x
  3. Step 3: Cross multiply
    162,382.84x = 224,098.80 × 90,765.88
  4. Step 4: Simplify right side
    162,382.84x = 20,340,524,788.94
  5. Step 5: Solve for x
    x = 20,340,524,788.94/162,382.84
  6. Step 6: Final answer
    x = 125,262.77

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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.