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Finding the Fourth Proportional to 73,348.20, 110,041.74 and 28,964.16

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Solution

The fourth proportional to 73,348.20, 110,041.74 and 28,964.16 is: 43,453.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,348.20 : 110,041.74 = 28,964.16 : x
  2. Step 2: Convert to fraction form
    73,348.20/110,041.74 = 28,964.16/x
  3. Step 3: Cross multiply
    73,348.20x = 110,041.74 × 28,964.16
  4. Step 4: Simplify right side
    73,348.20x = 3,187,266,564.04
  5. Step 5: Solve for x
    x = 3,187,266,564.04/73,348.20
  6. Step 6: Final answer
    x = 43,453.92

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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.