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Finding the Fourth Proportional to 303,065.83, 418,233.68 and 167,104.65

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Solution

The fourth proportional to 303,065.83, 418,233.68 and 167,104.65 is: 230,605.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,065.83 : 418,233.68 = 167,104.65 : x
  2. Step 2: Convert to fraction form
    303,065.83/418,233.68 = 167,104.65/x
  3. Step 3: Cross multiply
    303,065.83x = 418,233.68 × 167,104.65
  4. Step 4: Simplify right side
    303,065.83x = 69,888,794,515.21
  5. Step 5: Solve for x
    x = 69,888,794,515.21/303,065.83
  6. Step 6: Final answer
    x = 230,605.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.