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Finding the Fourth Proportional to 191,736,710.60, 287,605,065.90 and 159,850,250.60

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Solution

The fourth proportional to 191,736,710.60, 287,605,065.90 and 159,850,250.60 is: 239,775,375.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,736,710.60 : 287,605,065.90 = 159,850,250.60 : x
  2. Step 2: Convert to fraction form
    191,736,710.60/287,605,065.90 = 159,850,250.60/x
  3. Step 3: Cross multiply
    191,736,710.60x = 287,605,065.90 × 159,850,250.60
  4. Step 4: Simplify right side
    191,736,710.60x = 45,973,741,857,944,512
  5. Step 5: Solve for x
    x = 45,973,741,857,944,512/191,736,710.60
  6. Step 6: Final answer
    x = 239,775,375.90

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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.