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Finding the Fourth Proportional to 238,310,775, 357,466,181.94 and 76,752,711

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Solution

The fourth proportional to 238,310,775, 357,466,181.94 and 76,752,711 is: 115,129,072.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,310,775 : 357,466,181.94 = 76,752,711 : x
  2. Step 2: Convert to fraction form
    238,310,775/357,466,181.94 = 76,752,711/x
  3. Step 3: Cross multiply
    238,310,775x = 357,466,181.94 × 76,752,711
  4. Step 4: Simplify right side
    238,310,775x = 27,436,498,554,714,240
  5. Step 5: Solve for x
    x = 27,436,498,554,714,240/238,310,775
  6. Step 6: Final answer
    x = 115,129,072.76

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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.