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Finding the Fourth Proportional to 47,804,557.70, 71,706,836.55 and 43,818,750.20

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Solution

The fourth proportional to 47,804,557.70, 71,706,836.55 and 43,818,750.20 is: 65,728,125.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,804,557.70 : 71,706,836.55 = 43,818,750.20 : x
  2. Step 2: Convert to fraction form
    47,804,557.70/71,706,836.55 = 43,818,750.20/x
  3. Step 3: Cross multiply
    47,804,557.70x = 71,706,836.55 × 43,818,750.20
  4. Step 4: Simplify right side
    47,804,557.70x = 3,142,103,958,416,680
  5. Step 5: Solve for x
    x = 3,142,103,958,416,680/47,804,557.70
  6. Step 6: Final answer
    x = 65,728,125.30

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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.