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Finding the Fourth Proportional to 170,647.30, 256,165.35 and 100,566.10

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Solution

The fourth proportional to 170,647.30, 256,165.35 and 100,566.10 is: 150,963.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,647.30 : 256,165.35 = 100,566.10 : x
  2. Step 2: Convert to fraction form
    170,647.30/256,165.35 = 100,566.10/x
  3. Step 3: Cross multiply
    170,647.30x = 256,165.35 × 100,566.10
  4. Step 4: Simplify right side
    170,647.30x = 25,761,550,204.64
  5. Step 5: Solve for x
    x = 25,761,550,204.64/170,647.30
  6. Step 6: Final answer
    x = 150,963.71

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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.