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Finding the Fourth Proportional to 68,018.59, 101,887.55 and 39,853.10

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Solution

The fourth proportional to 68,018.59, 101,887.55 and 39,853.10 is: 59,697.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,018.59 : 101,887.55 = 39,853.10 : x
  2. Step 2: Convert to fraction form
    68,018.59/101,887.55 = 39,853.10/x
  3. Step 3: Cross multiply
    68,018.59x = 101,887.55 × 39,853.10
  4. Step 4: Simplify right side
    68,018.59x = 4,060,534,668.44
  5. Step 5: Solve for x
    x = 4,060,534,668.44/68,018.59
  6. Step 6: Final answer
    x = 59,697.43

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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.