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Finding the Fourth Proportional to 75,159.66, 112,745.19 and 25,240.02

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Solution

The fourth proportional to 75,159.66, 112,745.19 and 25,240.02 is: 37,861.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,159.66 : 112,745.19 = 25,240.02 : x
  2. Step 2: Convert to fraction form
    75,159.66/112,745.19 = 25,240.02/x
  3. Step 3: Cross multiply
    75,159.66x = 112,745.19 × 25,240.02
  4. Step 4: Simplify right side
    75,159.66x = 2,845,690,850.50
  5. Step 5: Solve for x
    x = 2,845,690,850.50/75,159.66
  6. Step 6: Final answer
    x = 37,861.94

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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.