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Finding the Fourth Proportional to 58,195.60, 80,306 and 34,321.12

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Solution

The fourth proportional to 58,195.60, 80,306 and 34,321.12 is: 47,360.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,195.60 : 80,306 = 34,321.12 : x
  2. Step 2: Convert to fraction form
    58,195.60/80,306 = 34,321.12/x
  3. Step 3: Cross multiply
    58,195.60x = 80,306 × 34,321.12
  4. Step 4: Simplify right side
    58,195.60x = 2,756,191,862.72
  5. Step 5: Solve for x
    x = 2,756,191,862.72/58,195.60
  6. Step 6: Final answer
    x = 47,360.83

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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.