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Finding the Fourth Proportional to 171,759.87, 257,657.48 and 59,439.90

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Solution

The fourth proportional to 171,759.87, 257,657.48 and 59,439.90 is: 89,165.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,759.87 : 257,657.48 = 59,439.90 : x
  2. Step 2: Convert to fraction form
    171,759.87/257,657.48 = 59,439.90/x
  3. Step 3: Cross multiply
    171,759.87x = 257,657.48 × 59,439.90
  4. Step 4: Simplify right side
    171,759.87x = 15,315,133,705.76
  5. Step 5: Solve for x
    x = 15,315,133,705.76/171,759.87
  6. Step 6: Final answer
    x = 89,165.96

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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.