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Finding the Fourth Proportional to 79,364.47, 119,042.86 and 29,454.30

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Solution

The fourth proportional to 79,364.47, 119,042.86 and 29,454.30 is: 44,180.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,364.47 : 119,042.86 = 29,454.30 : x
  2. Step 2: Convert to fraction form
    79,364.47/119,042.86 = 29,454.30/x
  3. Step 3: Cross multiply
    79,364.47x = 119,042.86 × 29,454.30
  4. Step 4: Simplify right side
    79,364.47x = 3,506,324,111.30
  5. Step 5: Solve for x
    x = 3,506,324,111.30/79,364.47
  6. Step 6: Final answer
    x = 44,180.02

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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.