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Finding the Fourth Proportional to 123,424.60, 185,117.10 and 44,498.20

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Solution

The fourth proportional to 123,424.60, 185,117.10 and 44,498.20 is: 66,740.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,424.60 : 185,117.10 = 44,498.20 : x
  2. Step 2: Convert to fraction form
    123,424.60/185,117.10 = 44,498.20/x
  3. Step 3: Cross multiply
    123,424.60x = 185,117.10 × 44,498.20
  4. Step 4: Simplify right side
    123,424.60x = 8,237,377,739.22
  5. Step 5: Solve for x
    x = 8,237,377,739.22/123,424.60
  6. Step 6: Final answer
    x = 66,740.16

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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.