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Finding the Fourth Proportional to 73,478.18, 110,221.38 and 36,055.88

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Solution

The fourth proportional to 73,478.18, 110,221.38 and 36,055.88 is: 54,085.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,478.18 : 110,221.38 = 36,055.88 : x
  2. Step 2: Convert to fraction form
    73,478.18/110,221.38 = 36,055.88/x
  3. Step 3: Cross multiply
    73,478.18x = 110,221.38 × 36,055.88
  4. Step 4: Simplify right side
    73,478.18x = 3,974,128,850.71
  5. Step 5: Solve for x
    x = 3,974,128,850.71/73,478.18
  6. Step 6: Final answer
    x = 54,085.84

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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.