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Finding the Fourth Proportional to 341,119.97, 511,681.16 and 104,461.61

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Solution

The fourth proportional to 341,119.97, 511,681.16 and 104,461.61 is: 156,692.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,119.97 : 511,681.16 = 104,461.61 : x
  2. Step 2: Convert to fraction form
    341,119.97/511,681.16 = 104,461.61/x
  3. Step 3: Cross multiply
    341,119.97x = 511,681.16 × 104,461.61
  4. Step 4: Simplify right side
    341,119.97x = 53,451,037,780.27
  5. Step 5: Solve for x
    x = 53,451,037,780.27/341,119.97
  6. Step 6: Final answer
    x = 156,692.78

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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.