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Finding the Fourth Proportional to 171,759.62, 257,657.11 and 59,439.65

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Solution

The fourth proportional to 171,759.62, 257,657.11 and 59,439.65 is: 89,165.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,759.62 : 257,657.11 = 59,439.65 : x
  2. Step 2: Convert to fraction form
    171,759.62/257,657.11 = 59,439.65/x
  3. Step 3: Cross multiply
    171,759.62x = 257,657.11 × 59,439.65
  4. Step 4: Simplify right side
    171,759.62x = 15,315,047,001.53
  5. Step 5: Solve for x
    x = 15,315,047,001.53/171,759.62
  6. Step 6: Final answer
    x = 89,165.58

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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.