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Finding the Fourth Proportional to 194,203.99, 291,376.14 and 67,862.89

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Solution

The fourth proportional to 194,203.99, 291,376.14 and 67,862.89 is: 101,818.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,203.99 : 291,376.14 = 67,862.89 : x
  2. Step 2: Convert to fraction form
    194,203.99/291,376.14 = 67,862.89/x
  3. Step 3: Cross multiply
    194,203.99x = 291,376.14 × 67,862.89
  4. Step 4: Simplify right side
    194,203.99x = 19,773,626,937.44
  5. Step 5: Solve for x
    x = 19,773,626,937.44/194,203.99
  6. Step 6: Final answer
    x = 101,818.85

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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.