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Finding the Fourth Proportional to 92,429.88, 138,629.58 and 33,254.52

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Solution

The fourth proportional to 92,429.88, 138,629.58 and 33,254.52 is: 49,876.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,429.88 : 138,629.58 = 33,254.52 : x
  2. Step 2: Convert to fraction form
    92,429.88/138,629.58 = 33,254.52/x
  3. Step 3: Cross multiply
    92,429.88x = 138,629.58 × 33,254.52
  4. Step 4: Simplify right side
    92,429.88x = 4,610,060,140.70
  5. Step 5: Solve for x
    x = 4,610,060,140.70/92,429.88
  6. Step 6: Final answer
    x = 49,876.30

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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.