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Finding the Fourth Proportional to 162,840.65, 224,655.39 and 101,550.78

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Solution

The fourth proportional to 162,840.65, 224,655.39 and 101,550.78 is: 140,099.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,840.65 : 224,655.39 = 101,550.78 : x
  2. Step 2: Convert to fraction form
    162,840.65/224,655.39 = 101,550.78/x
  3. Step 3: Cross multiply
    162,840.65x = 224,655.39 × 101,550.78
  4. Step 4: Simplify right side
    162,840.65x = 22,813,930,085.70
  5. Step 5: Solve for x
    x = 22,813,930,085.70/162,840.65
  6. Step 6: Final answer
    x = 140,099.73

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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.