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Finding the Fourth Proportional to 238,560,941.07, 357,752,808.95 and 83,074,820.13

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Solution

The fourth proportional to 238,560,941.07, 357,752,808.95 and 83,074,820.13 is: 124,581,375.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,560,941.07 : 357,752,808.95 = 83,074,820.13 : x
  2. Step 2: Convert to fraction form
    238,560,941.07/357,752,808.95 = 83,074,820.13/x
  3. Step 3: Cross multiply
    238,560,941.07x = 357,752,808.95 × 83,074,820.13
  4. Step 4: Simplify right side
    238,560,941.07x = 29,720,250,254,108,128
  5. Step 5: Solve for x
    x = 29,720,250,254,108,128/238,560,941.07
  6. Step 6: Final answer
    x = 124,581,375.81

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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.