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Finding the Fourth Proportional to 293,378.76, 404,833.14 and 166,032.18

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Solution

The fourth proportional to 293,378.76, 404,833.14 and 166,032.18 is: 229,107.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,378.76 : 404,833.14 = 166,032.18 : x
  2. Step 2: Convert to fraction form
    293,378.76/404,833.14 = 166,032.18/x
  3. Step 3: Cross multiply
    293,378.76x = 404,833.14 × 166,032.18
  4. Step 4: Simplify right side
    293,378.76x = 67,215,328,770.45
  5. Step 5: Solve for x
    x = 67,215,328,770.45/293,378.76
  6. Step 6: Final answer
    x = 229,107.69

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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.