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Finding the Fourth Proportional to 171,572.91, 257,393.75 and 59,257.24

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Solution

The fourth proportional to 171,572.91, 257,393.75 and 59,257.24 is: 88,897.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,572.91 : 257,393.75 = 59,257.24 : x
  2. Step 2: Convert to fraction form
    171,572.91/257,393.75 = 59,257.24/x
  3. Step 3: Cross multiply
    171,572.91x = 257,393.75 × 59,257.24
  4. Step 4: Simplify right side
    171,572.91x = 15,252,443,218.25
  5. Step 5: Solve for x
    x = 15,252,443,218.25/171,572.91
  6. Step 6: Final answer
    x = 88,897.74

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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.