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Finding the Fourth Proportional to 302,561.18, 453,891.02 and 89,350.66

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Solution

The fourth proportional to 302,561.18, 453,891.02 and 89,350.66 is: 134,040.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,561.18 : 453,891.02 = 89,350.66 : x
  2. Step 2: Convert to fraction form
    302,561.18/453,891.02 = 89,350.66/x
  3. Step 3: Cross multiply
    302,561.18x = 453,891.02 × 89,350.66
  4. Step 4: Simplify right side
    302,561.18x = 40,555,461,293.72
  5. Step 5: Solve for x
    x = 40,555,461,293.72/302,561.18
  6. Step 6: Final answer
    x = 134,040.53

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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.