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Finding the Fourth Proportional to 194,290.97, 291,462.97 and 67,901.89

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Solution

The fourth proportional to 194,290.97, 291,462.97 and 67,901.89 is: 101,862.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,290.97 : 291,462.97 = 67,901.89 : x
  2. Step 2: Convert to fraction form
    194,290.97/291,462.97 = 67,901.89/x
  3. Step 3: Cross multiply
    194,290.97x = 291,462.97 × 67,901.89
  4. Step 4: Simplify right side
    194,290.97x = 19,790,885,070.70
  5. Step 5: Solve for x
    x = 19,790,885,070.70/194,290.97
  6. Step 6: Final answer
    x = 101,862.10

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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.