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Finding the Fourth Proportional to 171,452.44, 236,566.10 and 103,480.44

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Solution

The fourth proportional to 171,452.44, 236,566.10 and 103,480.44 is: 142,779.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,452.44 : 236,566.10 = 103,480.44 : x
  2. Step 2: Convert to fraction form
    171,452.44/236,566.10 = 103,480.44/x
  3. Step 3: Cross multiply
    171,452.44x = 236,566.10 × 103,480.44
  4. Step 4: Simplify right side
    171,452.44x = 24,479,964,117.08
  5. Step 5: Solve for x
    x = 24,479,964,117.08/171,452.44
  6. Step 6: Final answer
    x = 142,779.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.