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Finding the Fourth Proportional to 293,295.12, 404,747.25 and 159,159.12

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Solution

The fourth proportional to 293,295.12, 404,747.25 and 159,159.12 is: 219,639.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,295.12 : 404,747.25 = 159,159.12 : x
  2. Step 2: Convert to fraction form
    293,295.12/404,747.25 = 159,159.12/x
  3. Step 3: Cross multiply
    293,295.12x = 404,747.25 × 159,159.12
  4. Step 4: Simplify right side
    293,295.12x = 64,419,216,132.42
  5. Step 5: Solve for x
    x = 64,419,216,132.42/293,295.12
  6. Step 6: Final answer
    x = 219,639.58

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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.