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Finding the Fourth Proportional to 65,348.85, 98,060.58 and 54,388.29

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Solution

The fourth proportional to 65,348.85, 98,060.58 and 54,388.29 is: 81,613.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,348.85 : 98,060.58 = 54,388.29 : x
  2. Step 2: Convert to fraction form
    65,348.85/98,060.58 = 54,388.29/x
  3. Step 3: Cross multiply
    65,348.85x = 98,060.58 × 54,388.29
  4. Step 4: Simplify right side
    65,348.85x = 5,333,347,262.61
  5. Step 5: Solve for x
    x = 5,333,347,262.61/65,348.85
  6. Step 6: Final answer
    x = 81,613.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.