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Finding the Fourth Proportional to 123,443.60, 185,165.40 and 44,560.40

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Solution

The fourth proportional to 123,443.60, 185,165.40 and 44,560.40 is: 66,840.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,443.60 : 185,165.40 = 44,560.40 : x
  2. Step 2: Convert to fraction form
    123,443.60/185,165.40 = 44,560.40/x
  3. Step 3: Cross multiply
    123,443.60x = 185,165.40 × 44,560.40
  4. Step 4: Simplify right side
    123,443.60x = 8,251,044,290.16
  5. Step 5: Solve for x
    x = 8,251,044,290.16/123,443.60
  6. Step 6: Final answer
    x = 66,840.60

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1.5x scale

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.