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Finding the Fourth Proportional to 163,028.40, 244,613.04 and 88,201.20

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Solution

The fourth proportional to 163,028.40, 244,613.04 and 88,201.20 is: 132,339.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,028.40 : 244,613.04 = 88,201.20 : x
  2. Step 2: Convert to fraction form
    163,028.40/244,613.04 = 88,201.20/x
  3. Step 3: Cross multiply
    163,028.40x = 244,613.04 × 88,201.20
  4. Step 4: Simplify right side
    163,028.40x = 21,575,163,663.65
  5. Step 5: Solve for x
    x = 21,575,163,663.65/163,028.40
  6. Step 6: Final answer
    x = 132,339.91

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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.