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Finding the Fourth Proportional to 123,454.78, 185,182.20 and 34,708.32

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Solution

The fourth proportional to 123,454.78, 185,182.20 and 34,708.32 is: 52,062.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,454.78 : 185,182.20 = 34,708.32 : x
  2. Step 2: Convert to fraction form
    123,454.78/185,182.20 = 34,708.32/x
  3. Step 3: Cross multiply
    123,454.78x = 185,182.20 × 34,708.32
  4. Step 4: Simplify right side
    123,454.78x = 6,427,363,055.90
  5. Step 5: Solve for x
    x = 6,427,363,055.90/123,454.78
  6. Step 6: Final answer
    x = 52,062.49

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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.