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Finding the Fourth Proportional to 83,422,933.60, 125,134,400.40 and 83,422,933.60

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Solution

The fourth proportional to 83,422,933.60, 125,134,400.40 and 83,422,933.60 is: 125,134,400.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,422,933.60 : 125,134,400.40 = 83,422,933.60 : x
  2. Step 2: Convert to fraction form
    83,422,933.60/125,134,400.40 = 83,422,933.60/x
  3. Step 3: Cross multiply
    83,422,933.60x = 125,134,400.40 × 83,422,933.60
  4. Step 4: Simplify right side
    83,422,933.60x = 10,439,078,775,645,014
  5. Step 5: Solve for x
    x = 10,439,078,775,645,014/83,422,933.60
  6. Step 6: Final answer
    x = 125,134,400.40

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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.