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Finding the Fourth Proportional to 181,805.60, 272,611.20 and 63,480.80

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Solution

The fourth proportional to 181,805.60, 272,611.20 and 63,480.80 is: 95,187.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,805.60 : 272,611.20 = 63,480.80 : x
  2. Step 2: Convert to fraction form
    181,805.60/272,611.20 = 63,480.80/x
  3. Step 3: Cross multiply
    181,805.60x = 272,611.20 × 63,480.80
  4. Step 4: Simplify right side
    181,805.60x = 17,305,577,064.96
  5. Step 5: Solve for x
    x = 17,305,577,064.96/181,805.60
  6. Step 6: Final answer
    x = 95,187.26

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1.5x scale

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.