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Finding the Fourth Proportional to 153,034.98, 229,426.11 and 67,584.98

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Solution

The fourth proportional to 153,034.98, 229,426.11 and 67,584.98 is: 101,321.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,034.98 : 229,426.11 = 67,584.98 : x
  2. Step 2: Convert to fraction form
    153,034.98/229,426.11 = 67,584.98/x
  3. Step 3: Cross multiply
    153,034.98x = 229,426.11 × 67,584.98
  4. Step 4: Simplify right side
    153,034.98x = 15,505,757,908.70
  5. Step 5: Solve for x
    x = 15,505,757,908.70/153,034.98
  6. Step 6: Final answer
    x = 101,321.66

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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.