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Finding the Fourth Proportional to 171,474.66, 257,211.99 and 59,187.06

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Solution

The fourth proportional to 171,474.66, 257,211.99 and 59,187.06 is: 88,780.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,474.66 : 257,211.99 = 59,187.06 : x
  2. Step 2: Convert to fraction form
    171,474.66/257,211.99 = 59,187.06/x
  3. Step 3: Cross multiply
    171,474.66x = 257,211.99 × 59,187.06
  4. Step 4: Simplify right side
    171,474.66x = 15,223,621,484.85
  5. Step 5: Solve for x
    x = 15,223,621,484.85/171,474.66
  6. Step 6: Final answer
    x = 88,780.59

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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.