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Finding the Fourth Proportional to 160,947,267.28, 241,420,978.68 and 53,241,891.28

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Solution

The fourth proportional to 160,947,267.28, 241,420,978.68 and 53,241,891.28 is: 79,862,862.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,947,267.28 : 241,420,978.68 = 53,241,891.28 : x
  2. Step 2: Convert to fraction form
    160,947,267.28/241,420,978.68 = 53,241,891.28/x
  3. Step 3: Cross multiply
    160,947,267.28x = 241,420,978.68 × 53,241,891.28
  4. Step 4: Simplify right side
    160,947,267.28x = 12,853,709,499,591,758
  5. Step 5: Solve for x
    x = 12,853,709,499,591,758/160,947,267.28
  6. Step 6: Final answer
    x = 79,862,862.64

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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.