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Finding the Fourth Proportional to 119,766,632.80, 179,649,949.20 and 119,766,632.80

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Solution

The fourth proportional to 119,766,632.80, 179,649,949.20 and 119,766,632.80 is: 179,649,949.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,766,632.80 : 179,649,949.20 = 119,766,632.80 : x
  2. Step 2: Convert to fraction form
    119,766,632.80/179,649,949.20 = 119,766,632.80/x
  3. Step 3: Cross multiply
    119,766,632.80x = 179,649,949.20 × 119,766,632.80
  4. Step 4: Simplify right side
    119,766,632.80x = 21,516,069,498,375,052
  5. Step 5: Solve for x
    x = 21,516,069,498,375,052/119,766,632.80
  6. Step 6: Final answer
    x = 179,649,949.20

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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.