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Finding the Fourth Proportional to 154,694.01, 232,041.20 and 42,375.20

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Solution

The fourth proportional to 154,694.01, 232,041.20 and 42,375.20 is: 63,562.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,694.01 : 232,041.20 = 42,375.20 : x
  2. Step 2: Convert to fraction form
    154,694.01/232,041.20 = 42,375.20/x
  3. Step 3: Cross multiply
    154,694.01x = 232,041.20 × 42,375.20
  4. Step 4: Simplify right side
    154,694.01x = 9,832,792,258.24
  5. Step 5: Solve for x
    x = 9,832,792,258.24/154,694.01
  6. Step 6: Final answer
    x = 63,562.85

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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.