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Finding the Fourth Proportional to 171,641.89, 236,873.30 and 95,156.12

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Solution

The fourth proportional to 171,641.89, 236,873.30 and 95,156.12 is: 131,319.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,641.89 : 236,873.30 = 95,156.12 : x
  2. Step 2: Convert to fraction form
    171,641.89/236,873.30 = 95,156.12/x
  3. Step 3: Cross multiply
    171,641.89x = 236,873.30 × 95,156.12
  4. Step 4: Simplify right side
    171,641.89x = 22,539,943,746.47
  5. Step 5: Solve for x
    x = 22,539,943,746.47/171,641.89
  6. Step 6: Final answer
    x = 131,319.60

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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.