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Finding the Fourth Proportional to 151,054.80, 226,387.80 and 71,998.80

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Solution

The fourth proportional to 151,054.80, 226,387.80 and 71,998.80 is: 107,905.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,054.80 : 226,387.80 = 71,998.80 : x
  2. Step 2: Convert to fraction form
    151,054.80/226,387.80 = 71,998.80/x
  3. Step 3: Cross multiply
    151,054.80x = 226,387.80 × 71,998.80
  4. Step 4: Simplify right side
    151,054.80x = 16,299,649,934.64
  5. Step 5: Solve for x
    x = 16,299,649,934.64/151,054.80
  6. Step 6: Final answer
    x = 107,905.54

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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.