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Finding the Fourth Proportional to 124,432.74, 186,675.57 and 40,197.74

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Solution

The fourth proportional to 124,432.74, 186,675.57 and 40,197.74 is: 60,305.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,432.74 : 186,675.57 = 40,197.74 : x
  2. Step 2: Convert to fraction form
    124,432.74/186,675.57 = 40,197.74/x
  3. Step 3: Cross multiply
    124,432.74x = 186,675.57 × 40,197.74
  4. Step 4: Simplify right side
    124,432.74x = 7,503,935,093.83
  5. Step 5: Solve for x
    x = 7,503,935,093.83/124,432.74
  6. Step 6: Final answer
    x = 60,305.15

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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.