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Finding the Fourth Proportional to 302,561.68, 453,891.78 and 89,351.16

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Solution

The fourth proportional to 302,561.68, 453,891.78 and 89,351.16 is: 134,041.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,561.68 : 453,891.78 = 89,351.16 : x
  2. Step 2: Convert to fraction form
    302,561.68/453,891.78 = 89,351.16/x
  3. Step 3: Cross multiply
    302,561.68x = 453,891.78 × 89,351.16
  4. Step 4: Simplify right side
    302,561.68x = 40,555,756,610.71
  5. Step 5: Solve for x
    x = 40,555,756,610.71/302,561.68
  6. Step 6: Final answer
    x = 134,041.29

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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.