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Finding the Fourth Proportional to 92,158.88, 138,260.25 and 29,829.38

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Solution

The fourth proportional to 92,158.88, 138,260.25 and 29,829.38 is: 44,751.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,158.88 : 138,260.25 = 29,829.38 : x
  2. Step 2: Convert to fraction form
    92,158.88/138,260.25 = 29,829.38/x
  3. Step 3: Cross multiply
    92,158.88x = 138,260.25 × 29,829.38
  4. Step 4: Simplify right side
    92,158.88x = 4,124,216,844.84
  5. Step 5: Solve for x
    x = 4,124,216,844.84/92,158.88
  6. Step 6: Final answer
    x = 44,751.16

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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.