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Finding the Fourth Proportional to 73,426.68, 110,140.13 and 18,022.68

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Solution

The fourth proportional to 73,426.68, 110,140.13 and 18,022.68 is: 27,034.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,426.68 : 110,140.13 = 18,022.68 : x
  2. Step 2: Convert to fraction form
    73,426.68/110,140.13 = 18,022.68/x
  3. Step 3: Cross multiply
    73,426.68x = 110,140.13 × 18,022.68
  4. Step 4: Simplify right side
    73,426.68x = 1,985,020,228.04
  5. Step 5: Solve for x
    x = 1,985,020,228.04/73,426.68
  6. Step 6: Final answer
    x = 27,034.05

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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.