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Finding the Fourth Proportional to 73,225.52, 109,860.20 and 38,189.84

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Solution

The fourth proportional to 73,225.52, 109,860.20 and 38,189.84 is: 57,296.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,225.52 : 109,860.20 = 38,189.84 : x
  2. Step 2: Convert to fraction form
    73,225.52/109,860.20 = 38,189.84/x
  3. Step 3: Cross multiply
    73,225.52x = 109,860.20 × 38,189.84
  4. Step 4: Simplify right side
    73,225.52x = 4,195,543,460.37
  5. Step 5: Solve for x
    x = 4,195,543,460.37/73,225.52
  6. Step 6: Final answer
    x = 57,296.19

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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.