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Finding the Fourth Proportional to 124,253.85, 186,386.92 and 35,520.42

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Solution

The fourth proportional to 124,253.85, 186,386.92 and 35,520.42 is: 53,282.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,253.85 : 186,386.92 = 35,520.42 : x
  2. Step 2: Convert to fraction form
    124,253.85/186,386.92 = 35,520.42/x
  3. Step 3: Cross multiply
    124,253.85x = 186,386.92 × 35,520.42
  4. Step 4: Simplify right side
    124,253.85x = 6,620,542,490.86
  5. Step 5: Solve for x
    x = 6,620,542,490.86/124,253.85
  6. Step 6: Final answer
    x = 53,282.39

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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.