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Finding the Fourth Proportional to 92,615.67, 138,870.99 and 29,423.52

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Solution

The fourth proportional to 92,615.67, 138,870.99 and 29,423.52 is: 44,118.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,615.67 : 138,870.99 = 29,423.52 : x
  2. Step 2: Convert to fraction form
    92,615.67/138,870.99 = 29,423.52/x
  3. Step 3: Cross multiply
    92,615.67x = 138,870.99 × 29,423.52
  4. Step 4: Simplify right side
    92,615.67x = 4,086,073,351.68
  5. Step 5: Solve for x
    x = 4,086,073,351.68/92,615.67
  6. Step 6: Final answer
    x = 44,118.60

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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.