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Finding the Fourth Proportional to 162,550.98, 224,320.55 and 89,956.88

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Solution

The fourth proportional to 162,550.98, 224,320.55 and 89,956.88 is: 124,140.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,550.98 : 224,320.55 = 89,956.88 : x
  2. Step 2: Convert to fraction form
    162,550.98/224,320.55 = 89,956.88/x
  3. Step 3: Cross multiply
    162,550.98x = 224,320.55 × 89,956.88
  4. Step 4: Simplify right side
    162,550.98x = 20,179,176,067.70
  5. Step 5: Solve for x
    x = 20,179,176,067.70/162,550.98
  6. Step 6: Final answer
    x = 124,140.60

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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.