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Finding the Fourth Proportional to 134,359.85, 201,617.66 and 67,805.18

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Solution

The fourth proportional to 134,359.85, 201,617.66 and 67,805.18 is: 101,747.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,359.85 : 201,617.66 = 67,805.18 : x
  2. Step 2: Convert to fraction form
    134,359.85/201,617.66 = 67,805.18/x
  3. Step 3: Cross multiply
    134,359.85x = 201,617.66 × 67,805.18
  4. Step 4: Simplify right side
    134,359.85x = 13,670,720,380.36
  5. Step 5: Solve for x
    x = 13,670,720,380.36/134,359.85
  6. Step 6: Final answer
    x = 101,747.07

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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.