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Finding the Fourth Proportional to 51,796,638.80, 77,694,958.20 and 17,714,949.20

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Solution

The fourth proportional to 51,796,638.80, 77,694,958.20 and 17,714,949.20 is: 26,572,423.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,796,638.80 : 77,694,958.20 = 17,714,949.20 : x
  2. Step 2: Convert to fraction form
    51,796,638.80/77,694,958.20 = 17,714,949.20/x
  3. Step 3: Cross multiply
    51,796,638.80x = 77,694,958.20 × 17,714,949.20
  4. Step 4: Simplify right side
    51,796,638.80x = 1,376,362,237,609,123.50
  5. Step 5: Solve for x
    x = 1,376,362,237,609,123.50/51,796,638.80
  6. Step 6: Final answer
    x = 26,572,423.80

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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.