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Finding the Fourth Proportional to 170,144.60, 254,828.10 and 100,160.60

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Solution

The fourth proportional to 170,144.60, 254,828.10 and 100,160.60 is: 150,012.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,144.60 : 254,828.10 = 100,160.60 : x
  2. Step 2: Convert to fraction form
    170,144.60/254,828.10 = 100,160.60/x
  3. Step 3: Cross multiply
    170,144.60x = 254,828.10 × 100,160.60
  4. Step 4: Simplify right side
    170,144.60x = 25,523,735,392.86
  5. Step 5: Solve for x
    x = 25,523,735,392.86/170,144.60
  6. Step 6: Final answer
    x = 150,012.02

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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.