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Finding the Fourth Proportional to 100,917,059.60, 151,375,589.40 and 100,917,059.60

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Solution

The fourth proportional to 100,917,059.60, 151,375,589.40 and 100,917,059.60 is: 151,375,589.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,917,059.60 : 151,375,589.40 = 100,917,059.60 : x
  2. Step 2: Convert to fraction form
    100,917,059.60/151,375,589.40 = 100,917,059.60/x
  3. Step 3: Cross multiply
    100,917,059.60x = 151,375,589.40 × 100,917,059.60
  4. Step 4: Simplify right side
    100,917,059.60x = 15,276,379,377,464,928
  5. Step 5: Solve for x
    x = 15,276,379,377,464,928/100,917,059.60
  6. Step 6: Final answer
    x = 151,375,589.40

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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.