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Finding the Fourth Proportional to 171,694.42, 257,530.35 and 59,348.50

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Solution

The fourth proportional to 171,694.42, 257,530.35 and 59,348.50 is: 89,018.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,694.42 : 257,530.35 = 59,348.50 : x
  2. Step 2: Convert to fraction form
    171,694.42/257,530.35 = 59,348.50/x
  3. Step 3: Cross multiply
    171,694.42x = 257,530.35 × 59,348.50
  4. Step 4: Simplify right side
    171,694.42x = 15,284,039,976.98
  5. Step 5: Solve for x
    x = 15,284,039,976.98/171,694.42
  6. Step 6: Final answer
    x = 89,018.85

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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.