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Finding the Fourth Proportional to 170,772.70, 256,203.85 and 65,595.10

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Solution

The fourth proportional to 170,772.70, 256,203.85 and 65,595.10 is: 98,409.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,772.70 : 256,203.85 = 65,595.10 : x
  2. Step 2: Convert to fraction form
    170,772.70/256,203.85 = 65,595.10/x
  3. Step 3: Cross multiply
    170,772.70x = 256,203.85 × 65,595.10
  4. Step 4: Simplify right side
    170,772.70x = 16,805,717,161.14
  5. Step 5: Solve for x
    x = 16,805,717,161.14/170,772.70
  6. Step 6: Final answer
    x = 98,409.86

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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.