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Finding the Fourth Proportional to 63,706,820.81, 95,499,687.54 and 40,612,941.44

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Solution

The fourth proportional to 63,706,820.81, 95,499,687.54 and 40,612,941.44 is: 60,880,815.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,706,820.81 : 95,499,687.54 = 40,612,941.44 : x
  2. Step 2: Convert to fraction form
    63,706,820.81/95,499,687.54 = 40,612,941.44/x
  3. Step 3: Cross multiply
    63,706,820.81x = 95,499,687.54 × 40,612,941.44
  4. Step 4: Simplify right side
    63,706,820.81x = 3,878,523,217,404,793.50
  5. Step 5: Solve for x
    x = 3,878,523,217,404,793.50/63,706,820.81
  6. Step 6: Final answer
    x = 60,880,815.71

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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.