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Finding the Fourth Proportional to 73,953, 102,047.02 and 45,279.88

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Solution

The fourth proportional to 73,953, 102,047.02 and 45,279.88 is: 62,481.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,953 : 102,047.02 = 45,279.88 : x
  2. Step 2: Convert to fraction form
    73,953/102,047.02 = 45,279.88/x
  3. Step 3: Cross multiply
    73,953x = 102,047.02 × 45,279.88
  4. Step 4: Simplify right side
    73,953x = 4,620,676,819.96
  5. Step 5: Solve for x
    x = 4,620,676,819.96/73,953
  6. Step 6: Final answer
    x = 62,481.26

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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.