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Finding the Fourth Proportional to 71,575.65, 98,808.06 and 41,355.13

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Solution

The fourth proportional to 71,575.65, 98,808.06 and 41,355.13 is: 57,089.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,575.65 : 98,808.06 = 41,355.13 : x
  2. Step 2: Convert to fraction form
    71,575.65/98,808.06 = 41,355.13/x
  3. Step 3: Cross multiply
    71,575.65x = 98,808.06 × 41,355.13
  4. Step 4: Simplify right side
    71,575.65x = 4,086,220,021.39
  5. Step 5: Solve for x
    x = 4,086,220,021.39/71,575.65
  6. Step 6: Final answer
    x = 57,089.53

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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.