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Finding the Fourth Proportional to 269,532,003.80, 404,298,005.70 and 87,797,552.60

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Solution

The fourth proportional to 269,532,003.80, 404,298,005.70 and 87,797,552.60 is: 131,696,328.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,532,003.80 : 404,298,005.70 = 87,797,552.60 : x
  2. Step 2: Convert to fraction form
    269,532,003.80/404,298,005.70 = 87,797,552.60/x
  3. Step 3: Cross multiply
    269,532,003.80x = 404,298,005.70 × 87,797,552.60
  4. Step 4: Simplify right side
    269,532,003.80x = 35,496,375,421,520,848
  5. Step 5: Solve for x
    x = 35,496,375,421,520,848/269,532,003.80
  6. Step 6: Final answer
    x = 131,696,328.90

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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.