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Finding the Fourth Proportional to 170,335.68, 255,502.20 and 43,965.16

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Solution

The fourth proportional to 170,335.68, 255,502.20 and 43,965.16 is: 65,947.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,335.68 : 255,502.20 = 43,965.16 : x
  2. Step 2: Convert to fraction form
    170,335.68/255,502.20 = 43,965.16/x
  3. Step 3: Cross multiply
    170,335.68x = 255,502.20 × 43,965.16
  4. Step 4: Simplify right side
    170,335.68x = 11,233,195,103.35
  5. Step 5: Solve for x
    x = 11,233,195,103.35/170,335.68
  6. Step 6: Final answer
    x = 65,947.40

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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.