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Finding the Fourth Proportional to 171,120.10, 256,697.76 and 64,593.79

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Solution

The fourth proportional to 171,120.10, 256,697.76 and 64,593.79 is: 96,897.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,120.10 : 256,697.76 = 64,593.79 : x
  2. Step 2: Convert to fraction form
    171,120.10/256,697.76 = 64,593.79/x
  3. Step 3: Cross multiply
    171,120.10x = 256,697.76 × 64,593.79
  4. Step 4: Simplify right side
    171,120.10x = 16,581,081,202.91
  5. Step 5: Solve for x
    x = 16,581,081,202.91/171,120.10
  6. Step 6: Final answer
    x = 96,897.33

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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.