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Finding the Fourth Proportional to 119,572,761.60, 179,040,277.80 and 119,572,761.60

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Solution

The fourth proportional to 119,572,761.60, 179,040,277.80 and 119,572,761.60 is: 179,040,277.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,572,761.60 : 179,040,277.80 = 119,572,761.60 : x
  2. Step 2: Convert to fraction form
    119,572,761.60/179,040,277.80 = 119,572,761.60/x
  3. Step 3: Cross multiply
    119,572,761.60x = 179,040,277.80 × 119,572,761.60
  4. Step 4: Simplify right side
    119,572,761.60x = 21,408,340,454,177,172
  5. Step 5: Solve for x
    x = 21,408,340,454,177,172/119,572,761.60
  6. Step 6: Final answer
    x = 179,040,277.80

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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.