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Finding the Fourth Proportional to 303,170.48, 454,678.14 and 89,888.52

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Solution

The fourth proportional to 303,170.48, 454,678.14 and 89,888.52 is: 134,809.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,170.48 : 454,678.14 = 89,888.52 : x
  2. Step 2: Convert to fraction form
    303,170.48/454,678.14 = 89,888.52/x
  3. Step 3: Cross multiply
    303,170.48x = 454,678.14 × 89,888.52
  4. Step 4: Simplify right side
    303,170.48x = 40,870,345,080.95
  5. Step 5: Solve for x
    x = 40,870,345,080.95/303,170.48
  6. Step 6: Final answer
    x = 134,809.78

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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.