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Finding the Fourth Proportional to 92,179.17, 138,290.63 and 29,849.67

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Solution

The fourth proportional to 92,179.17, 138,290.63 and 29,849.67 is: 44,781.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,179.17 : 138,290.63 = 29,849.67 : x
  2. Step 2: Convert to fraction form
    92,179.17/138,290.63 = 29,849.67/x
  3. Step 3: Cross multiply
    92,179.17x = 138,290.63 × 29,849.67
  4. Step 4: Simplify right side
    92,179.17x = 4,127,929,520.34
  5. Step 5: Solve for x
    x = 4,127,929,520.34/92,179.17
  6. Step 6: Final answer
    x = 44,781.59

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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.