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Finding the Fourth Proportional to 125,760.79, 188,644.43 and 37,017.19

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Solution

The fourth proportional to 125,760.79, 188,644.43 and 37,017.19 is: 55,526.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,760.79 : 188,644.43 = 37,017.19 : x
  2. Step 2: Convert to fraction form
    125,760.79/188,644.43 = 37,017.19/x
  3. Step 3: Cross multiply
    125,760.79x = 188,644.43 × 37,017.19
  4. Step 4: Simplify right side
    125,760.79x = 6,983,086,707.75
  5. Step 5: Solve for x
    x = 6,983,086,707.75/125,760.79
  6. Step 6: Final answer
    x = 55,526.74

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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.