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Finding the Fourth Proportional to 163,092.66, 225,079.10 and 91,477.29

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Solution

The fourth proportional to 163,092.66, 225,079.10 and 91,477.29 is: 126,244.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,092.66 : 225,079.10 = 91,477.29 : x
  2. Step 2: Convert to fraction form
    163,092.66/225,079.10 = 91,477.29/x
  3. Step 3: Cross multiply
    163,092.66x = 225,079.10 × 91,477.29
  4. Step 4: Simplify right side
    163,092.66x = 20,589,625,646.25
  5. Step 5: Solve for x
    x = 20,589,625,646.25/163,092.66
  6. Step 6: Final answer
    x = 126,244.96

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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.