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Finding the Fourth Proportional to 47,701,200.90, 66,932,846.70 and 47,701,200.90

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Solution

The fourth proportional to 47,701,200.90, 66,932,846.70 and 47,701,200.90 is: 66,932,846.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,701,200.90 : 66,932,846.70 = 47,701,200.90 : x
  2. Step 2: Convert to fraction form
    47,701,200.90/66,932,846.70 = 47,701,200.90/x
  3. Step 3: Cross multiply
    47,701,200.90x = 66,932,846.70 × 47,701,200.90
  4. Step 4: Simplify right side
    47,701,200.90x = 3,192,777,167,245,602
  5. Step 5: Solve for x
    x = 3,192,777,167,245,602/47,701,200.90
  6. Step 6: Final answer
    x = 66,932,846.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.