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Finding the Fourth Proportional to 67,366,148.80, 101,049,223.20 and 45,842,788.30

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Solution

The fourth proportional to 67,366,148.80, 101,049,223.20 and 45,842,788.30 is: 68,764,182.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,366,148.80 : 101,049,223.20 = 45,842,788.30 : x
  2. Step 2: Convert to fraction form
    67,366,148.80/101,049,223.20 = 45,842,788.30/x
  3. Step 3: Cross multiply
    67,366,148.80x = 101,049,223.20 × 45,842,788.30
  4. Step 4: Simplify right side
    67,366,148.80x = 4,632,378,147,037,048
  5. Step 5: Solve for x
    x = 4,632,378,147,037,048/67,366,148.80
  6. Step 6: Final answer
    x = 68,764,182.45

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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.