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Finding the Fourth Proportional to 170,717.22, 256,010.22 and 117,966.78

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Solution

The fourth proportional to 170,717.22, 256,010.22 and 117,966.78 is: 176,904.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,717.22 : 256,010.22 = 117,966.78 : x
  2. Step 2: Convert to fraction form
    170,717.22/256,010.22 = 117,966.78/x
  3. Step 3: Cross multiply
    170,717.22x = 256,010.22 × 117,966.78
  4. Step 4: Simplify right side
    170,717.22x = 30,200,701,300.49
  5. Step 5: Solve for x
    x = 30,200,701,300.49/170,717.22
  6. Step 6: Final answer
    x = 176,904.83

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1.5x scale

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.