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Finding the Fourth Proportional to 162,355.80, 224,119.98 and 98,713.92

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Solution

The fourth proportional to 162,355.80, 224,119.98 and 98,713.92 is: 136,267.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,355.80 : 224,119.98 = 98,713.92 : x
  2. Step 2: Convert to fraction form
    162,355.80/224,119.98 = 98,713.92/x
  3. Step 3: Cross multiply
    162,355.80x = 224,119.98 × 98,713.92
  4. Step 4: Simplify right side
    162,355.80x = 22,123,761,776.12
  5. Step 5: Solve for x
    x = 22,123,761,776.12/162,355.80
  6. Step 6: Final answer
    x = 136,267.15

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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.