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Finding the Fourth Proportional to 123,424.10, 185,116.35 and 44,497.70

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Solution

The fourth proportional to 123,424.10, 185,116.35 and 44,497.70 is: 66,739.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,424.10 : 185,116.35 = 44,497.70 : x
  2. Step 2: Convert to fraction form
    123,424.10/185,116.35 = 44,497.70/x
  3. Step 3: Cross multiply
    123,424.10x = 185,116.35 × 44,497.70
  4. Step 4: Simplify right side
    123,424.10x = 8,237,251,807.40
  5. Step 5: Solve for x
    x = 8,237,251,807.40/123,424.10
  6. Step 6: Final answer
    x = 66,739.41

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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.