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Finding the Fourth Proportional to 149,253.10, 223,879.65 and 55,753.90

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Solution

The fourth proportional to 149,253.10, 223,879.65 and 55,753.90 is: 83,630.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,253.10 : 223,879.65 = 55,753.90 : x
  2. Step 2: Convert to fraction form
    149,253.10/223,879.65 = 55,753.90/x
  3. Step 3: Cross multiply
    149,253.10x = 223,879.65 × 55,753.90
  4. Step 4: Simplify right side
    149,253.10x = 12,482,163,618.14
  5. Step 5: Solve for x
    x = 12,482,163,618.14/149,253.10
  6. Step 6: Final answer
    x = 83,630.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.