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Finding the Fourth Proportional to 67,996,826.40, 101,995,239.60 and 57,474,294.60

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Solution

The fourth proportional to 67,996,826.40, 101,995,239.60 and 57,474,294.60 is: 86,211,441.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,996,826.40 : 101,995,239.60 = 57,474,294.60 : x
  2. Step 2: Convert to fraction form
    67,996,826.40/101,995,239.60 = 57,474,294.60/x
  3. Step 3: Cross multiply
    67,996,826.40x = 101,995,239.60 × 57,474,294.60
  4. Step 4: Simplify right side
    67,996,826.40x = 5,862,104,448,567,986
  5. Step 5: Solve for x
    x = 5,862,104,448,567,986/67,996,826.40
  6. Step 6: Final answer
    x = 86,211,441.90

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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.