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Finding the Fourth Proportional to 29,803,876.20, 44,705,814.30 and 20,223,844.20

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Solution

The fourth proportional to 29,803,876.20, 44,705,814.30 and 20,223,844.20 is: 30,335,766.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,803,876.20 : 44,705,814.30 = 20,223,844.20 : x
  2. Step 2: Convert to fraction form
    29,803,876.20/44,705,814.30 = 20,223,844.20/x
  3. Step 3: Cross multiply
    29,803,876.20x = 44,705,814.30 × 20,223,844.20
  4. Step 4: Simplify right side
    29,803,876.20x = 904,123,423,237,332
  5. Step 5: Solve for x
    x = 904,123,423,237,332/29,803,876.20
  6. Step 6: Final answer
    x = 30,335,766.30

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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.