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Finding the Fourth Proportional to 124,548.10, 186,822.15 and 35,793.70

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Solution

The fourth proportional to 124,548.10, 186,822.15 and 35,793.70 is: 53,690.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,548.10 : 186,822.15 = 35,793.70 : x
  2. Step 2: Convert to fraction form
    124,548.10/186,822.15 = 35,793.70/x
  3. Step 3: Cross multiply
    124,548.10x = 186,822.15 × 35,793.70
  4. Step 4: Simplify right side
    124,548.10x = 6,687,055,990.46
  5. Step 5: Solve for x
    x = 6,687,055,990.46/124,548.10
  6. Step 6: Final answer
    x = 53,690.55

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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.