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Finding the Fourth Proportional to 163,599.80, 225,691.95 and 95,619.64

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Solution

The fourth proportional to 163,599.80, 225,691.95 and 95,619.64 is: 131,910.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,599.80 : 225,691.95 = 95,619.64 : x
  2. Step 2: Convert to fraction form
    163,599.80/225,691.95 = 95,619.64/x
  3. Step 3: Cross multiply
    163,599.80x = 225,691.95 × 95,619.64
  4. Step 4: Simplify right side
    163,599.80x = 21,580,582,420.62
  5. Step 5: Solve for x
    x = 21,580,582,420.62/163,599.80
  6. Step 6: Final answer
    x = 131,910.81

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1.5x scale

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.