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Finding the Fourth Proportional to 63,908,906.40, 95,674,402.80 and 60,171,760.80

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Solution

The fourth proportional to 63,908,906.40, 95,674,402.80 and 60,171,760.80 is: 90,079,733.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,908,906.40 : 95,674,402.80 = 60,171,760.80 : x
  2. Step 2: Convert to fraction form
    63,908,906.40/95,674,402.80 = 60,171,760.80/x
  3. Step 3: Cross multiply
    63,908,906.40x = 95,674,402.80 × 60,171,760.80
  4. Step 4: Simplify right side
    63,908,906.40x = 5,756,897,279,964,450
  5. Step 5: Solve for x
    x = 5,756,897,279,964,450/63,908,906.40
  6. Step 6: Final answer
    x = 90,079,733.86

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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.