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Finding the Fourth Proportional to 101,337.66, 139,859.87 and 58,316.26

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Solution

The fourth proportional to 101,337.66, 139,859.87 and 58,316.26 is: 80,484.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,337.66 : 139,859.87 = 58,316.26 : x
  2. Step 2: Convert to fraction form
    101,337.66/139,859.87 = 58,316.26/x
  3. Step 3: Cross multiply
    101,337.66x = 139,859.87 × 58,316.26
  4. Step 4: Simplify right side
    101,337.66x = 8,156,104,542.49
  5. Step 5: Solve for x
    x = 8,156,104,542.49/101,337.66
  6. Step 6: Final answer
    x = 80,484.44

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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.