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Finding the Fourth Proportional to 124,414.80, 186,565.92 and 35,647.92

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Solution

The fourth proportional to 124,414.80, 186,565.92 and 35,647.92 is: 53,455.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,414.80 : 186,565.92 = 35,647.92 : x
  2. Step 2: Convert to fraction form
    124,414.80/186,565.92 = 35,647.92/x
  3. Step 3: Cross multiply
    124,414.80x = 186,565.92 × 35,647.92
  4. Step 4: Simplify right side
    124,414.80x = 6,650,686,990.89
  5. Step 5: Solve for x
    x = 6,650,686,990.89/124,414.80
  6. Step 6: Final answer
    x = 53,455.75

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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.