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Finding the Fourth Proportional to 171,069.18, 256,614.27 and 65,888.46

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Solution

The fourth proportional to 171,069.18, 256,614.27 and 65,888.46 is: 98,836.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,069.18 : 256,614.27 = 65,888.46 : x
  2. Step 2: Convert to fraction form
    171,069.18/256,614.27 = 65,888.46/x
  3. Step 3: Cross multiply
    171,069.18x = 256,614.27 × 65,888.46
  4. Step 4: Simplify right side
    171,069.18x = 16,907,919,064.32
  5. Step 5: Solve for x
    x = 16,907,919,064.32/171,069.18
  6. Step 6: Final answer
    x = 98,836.73

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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.