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Finding the Fourth Proportional to 165,974,643.90, 232,704,623.70 and 165,974,643.90

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Solution

The fourth proportional to 165,974,643.90, 232,704,623.70 and 165,974,643.90 is: 232,704,623.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,974,643.90 : 232,704,623.70 = 165,974,643.90 : x
  2. Step 2: Convert to fraction form
    165,974,643.90/232,704,623.70 = 165,974,643.90/x
  3. Step 3: Cross multiply
    165,974,643.90x = 232,704,623.70 × 165,974,643.90
  4. Step 4: Simplify right side
    165,974,643.90x = 38,623,067,052,491,000
  5. Step 5: Solve for x
    x = 38,623,067,052,491,000/165,974,643.90
  6. Step 6: Final answer
    x = 232,704,623.70

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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.