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Finding the Fourth Proportional to 71,247.90, 98,320.29 and 41,032.56

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Solution

The fourth proportional to 71,247.90, 98,320.29 and 41,032.56 is: 56,623.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,247.90 : 98,320.29 = 41,032.56 : x
  2. Step 2: Convert to fraction form
    71,247.90/98,320.29 = 41,032.56/x
  3. Step 3: Cross multiply
    71,247.90x = 98,320.29 × 41,032.56
  4. Step 4: Simplify right side
    71,247.90x = 4,034,333,198.64
  5. Step 5: Solve for x
    x = 4,034,333,198.64/71,247.90
  6. Step 6: Final answer
    x = 56,623.89

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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.