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Finding the Fourth Proportional to 302,561.52, 453,891.54 and 89,351

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Solution

The fourth proportional to 302,561.52, 453,891.54 and 89,351 is: 134,041.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,561.52 : 453,891.54 = 89,351 : x
  2. Step 2: Convert to fraction form
    302,561.52/453,891.54 = 89,351/x
  3. Step 3: Cross multiply
    302,561.52x = 453,891.54 × 89,351
  4. Step 4: Simplify right side
    302,561.52x = 40,555,662,990.54
  5. Step 5: Solve for x
    x = 40,555,662,990.54/302,561.52
  6. Step 6: Final answer
    x = 134,041.05

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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.