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Finding the Fourth Proportional to 170,658.68, 256,102.29 and 70,818.97

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Solution

The fourth proportional to 170,658.68, 256,102.29 and 70,818.97 is: 106,275.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,658.68 : 256,102.29 = 70,818.97 : x
  2. Step 2: Convert to fraction form
    170,658.68/256,102.29 = 70,818.97/x
  3. Step 3: Cross multiply
    170,658.68x = 256,102.29 × 70,818.97
  4. Step 4: Simplify right side
    170,658.68x = 18,136,899,806.74
  5. Step 5: Solve for x
    x = 18,136,899,806.74/170,658.68
  6. Step 6: Final answer
    x = 106,275.87

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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.