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Finding the Fourth Proportional to 55,319,195.70, 82,978,793.55 and 29,810,027.70

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Solution

The fourth proportional to 55,319,195.70, 82,978,793.55 and 29,810,027.70 is: 44,715,041.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,319,195.70 : 82,978,793.55 = 29,810,027.70 : x
  2. Step 2: Convert to fraction form
    55,319,195.70/82,978,793.55 = 29,810,027.70/x
  3. Step 3: Cross multiply
    55,319,195.70x = 82,978,793.55 × 29,810,027.70
  4. Step 4: Simplify right side
    55,319,195.70x = 2,473,600,134,238,081
  5. Step 5: Solve for x
    x = 2,473,600,134,238,081/55,319,195.70
  6. Step 6: Final answer
    x = 44,715,041.55

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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.