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Finding the Fourth Proportional to 101,044.55, 139,442.46 and 58,023.53

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Solution

The fourth proportional to 101,044.55, 139,442.46 and 58,023.53 is: 80,073.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,044.55 : 139,442.46 = 58,023.53 : x
  2. Step 2: Convert to fraction form
    101,044.55/139,442.46 = 58,023.53/x
  3. Step 3: Cross multiply
    101,044.55x = 139,442.46 × 58,023.53
  4. Step 4: Simplify right side
    101,044.55x = 8,090,943,063.87
  5. Step 5: Solve for x
    x = 8,090,943,063.87/101,044.55
  6. Step 6: Final answer
    x = 80,073.03

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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.