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Finding the Fourth Proportional to 101,254.88, 139,697.52 and 58,797.92

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Solution

The fourth proportional to 101,254.88, 139,697.52 and 58,797.92 is: 81,121.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,254.88 : 139,697.52 = 58,797.92 : x
  2. Step 2: Convert to fraction form
    101,254.88/139,697.52 = 58,797.92/x
  3. Step 3: Cross multiply
    101,254.88x = 139,697.52 × 58,797.92
  4. Step 4: Simplify right side
    101,254.88x = 8,213,923,605.16
  5. Step 5: Solve for x
    x = 8,213,923,605.16/101,254.88
  6. Step 6: Final answer
    x = 81,121.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.