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Finding the Fourth Proportional to 123,811.10, 185,695.05 and 44,884.70

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Solution

The fourth proportional to 123,811.10, 185,695.05 and 44,884.70 is: 67,319.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,811.10 : 185,695.05 = 44,884.70 : x
  2. Step 2: Convert to fraction form
    123,811.10/185,695.05 = 44,884.70/x
  3. Step 3: Cross multiply
    123,811.10x = 185,695.05 × 44,884.70
  4. Step 4: Simplify right side
    123,811.10x = 8,334,866,610.74
  5. Step 5: Solve for x
    x = 8,334,866,610.74/123,811.10
  6. Step 6: Final answer
    x = 67,319.22

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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.