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Finding the Fourth Proportional to 71,362.60, 98,449.48 and 43,052.56

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Solution

The fourth proportional to 71,362.60, 98,449.48 and 43,052.56 is: 59,393.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,362.60 : 98,449.48 = 43,052.56 : x
  2. Step 2: Convert to fraction form
    71,362.60/98,449.48 = 43,052.56/x
  3. Step 3: Cross multiply
    71,362.60x = 98,449.48 × 43,052.56
  4. Step 4: Simplify right side
    71,362.60x = 4,238,502,144.67
  5. Step 5: Solve for x
    x = 4,238,502,144.67/71,362.60
  6. Step 6: Final answer
    x = 59,393.89

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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.