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Finding the Fourth Proportional to 101,348.00, 139,853.54 and 58,320.53

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Solution

The fourth proportional to 101,348.00, 139,853.54 and 58,320.53 is: 80,478.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,348.00 : 139,853.54 = 58,320.53 : x
  2. Step 2: Convert to fraction form
    101,348.00/139,853.54 = 58,320.53/x
  3. Step 3: Cross multiply
    101,348.00x = 139,853.54 × 58,320.53
  4. Step 4: Simplify right side
    101,348.00x = 8,156,332,575.18
  5. Step 5: Solve for x
    x = 8,156,332,575.18/101,348.00
  6. Step 6: Final answer
    x = 80,478.48

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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.