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Finding the Fourth Proportional to 170,750.44, 256,138.04 and 65,569.41

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Solution

The fourth proportional to 170,750.44, 256,138.04 and 65,569.41 is: 98,358.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,750.44 : 256,138.04 = 65,569.41 : x
  2. Step 2: Convert to fraction form
    170,750.44/256,138.04 = 65,569.41/x
  3. Step 3: Cross multiply
    170,750.44x = 256,138.04 × 65,569.41
  4. Step 4: Simplify right side
    170,750.44x = 16,794,820,161.36
  5. Step 5: Solve for x
    x = 16,794,820,161.36/170,750.44
  6. Step 6: Final answer
    x = 98,358.87

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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.