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Finding the Fourth Proportional to 123,493.60, 185,240.40 and 44,610.40

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Solution

The fourth proportional to 123,493.60, 185,240.40 and 44,610.40 is: 66,915.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,493.60 : 185,240.40 = 44,610.40 : x
  2. Step 2: Convert to fraction form
    123,493.60/185,240.40 = 44,610.40/x
  3. Step 3: Cross multiply
    123,493.60x = 185,240.40 × 44,610.40
  4. Step 4: Simplify right side
    123,493.60x = 8,263,648,340.16
  5. Step 5: Solve for x
    x = 8,263,648,340.16/123,493.60
  6. Step 6: Final answer
    x = 66,915.60

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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.