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Finding the Fourth Proportional to 45,366,841.20, 68,050,261.85 and 45,366,841.20

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Solution

The fourth proportional to 45,366,841.20, 68,050,261.85 and 45,366,841.20 is: 68,050,261.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,366,841.20 : 68,050,261.85 = 45,366,841.20 : x
  2. Step 2: Convert to fraction form
    45,366,841.20/68,050,261.85 = 45,366,841.20/x
  3. Step 3: Cross multiply
    45,366,841.20x = 68,050,261.85 × 45,366,841.20
  4. Step 4: Simplify right side
    45,366,841.20x = 3,087,225,422,740,534
  5. Step 5: Solve for x
    x = 3,087,225,422,740,534/45,366,841.20
  6. Step 6: Final answer
    x = 68,050,261.85

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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.