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Finding the Fourth Proportional to 169,379.33, 253,988.52 and 98,323.75

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Solution

The fourth proportional to 169,379.33, 253,988.52 and 98,323.75 is: 147,438.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,379.33 : 253,988.52 = 98,323.75 : x
  2. Step 2: Convert to fraction form
    169,379.33/253,988.52 = 98,323.75/x
  3. Step 3: Cross multiply
    169,379.33x = 253,988.52 × 98,323.75
  4. Step 4: Simplify right side
    169,379.33x = 24,973,103,692.12
  5. Step 5: Solve for x
    x = 24,973,103,692.12/169,379.33
  6. Step 6: Final answer
    x = 147,438.91

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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.