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Finding the Fourth Proportional to 171,192.30, 256,769.01 and 66,002.46

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Solution

The fourth proportional to 171,192.30, 256,769.01 and 66,002.46 is: 98,996.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,192.30 : 256,769.01 = 66,002.46 : x
  2. Step 2: Convert to fraction form
    171,192.30/256,769.01 = 66,002.46/x
  3. Step 3: Cross multiply
    171,192.30x = 256,769.01 × 66,002.46
  4. Step 4: Simplify right side
    171,192.30x = 16,947,386,311.76
  5. Step 5: Solve for x
    x = 16,947,386,311.76/171,192.30
  6. Step 6: Final answer
    x = 98,996.19

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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.