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Finding the Fourth Proportional to 63,908,918.40, 95,674,420.80 and 60,171,772.80

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Solution

The fourth proportional to 63,908,918.40, 95,674,420.80 and 60,171,772.80 is: 90,079,751.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,908,918.40 : 95,674,420.80 = 60,171,772.80 : x
  2. Step 2: Convert to fraction form
    63,908,918.40/95,674,420.80 = 60,171,772.80/x
  3. Step 3: Cross multiply
    63,908,918.40x = 95,674,420.80 × 60,171,772.80
  4. Step 4: Simplify right side
    63,908,918.40x = 5,756,899,511,149,194
  5. Step 5: Solve for x
    x = 5,756,899,511,149,194/63,908,918.40
  6. Step 6: Final answer
    x = 90,079,751.86

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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.