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Finding the Fourth Proportional to 170,697.80, 256,046.70 and 117,553.70

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Solution

The fourth proportional to 170,697.80, 256,046.70 and 117,553.70 is: 176,330.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,697.80 : 256,046.70 = 117,553.70 : x
  2. Step 2: Convert to fraction form
    170,697.80/256,046.70 = 117,553.70/x
  3. Step 3: Cross multiply
    170,697.80x = 256,046.70 × 117,553.70
  4. Step 4: Simplify right side
    170,697.80x = 30,099,236,957.79
  5. Step 5: Solve for x
    x = 30,099,236,957.79/170,697.80
  6. Step 6: Final answer
    x = 176,330.55

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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.