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Finding the Fourth Proportional to 52,044.88, 78,069.48 and 15,108.88

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Solution

The fourth proportional to 52,044.88, 78,069.48 and 15,108.88 is: 22,663.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,044.88 : 78,069.48 = 15,108.88 : x
  2. Step 2: Convert to fraction form
    52,044.88/78,069.48 = 15,108.88/x
  3. Step 3: Cross multiply
    52,044.88x = 78,069.48 × 15,108.88
  4. Step 4: Simplify right side
    52,044.88x = 1,179,541,939.09
  5. Step 5: Solve for x
    x = 1,179,541,939.09/52,044.88
  6. Step 6: Final answer
    x = 22,663.94

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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.