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Finding the Fourth Proportional to 171,859.88, 257,728.30 and 59,509.92

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Solution

The fourth proportional to 171,859.88, 257,728.30 and 59,509.92 is: 89,243.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,859.88 : 257,728.30 = 59,509.92 : x
  2. Step 2: Convert to fraction form
    171,859.88/257,728.30 = 59,509.92/x
  3. Step 3: Cross multiply
    171,859.88x = 257,728.30 × 59,509.92
  4. Step 4: Simplify right side
    171,859.88x = 15,337,390,514.74
  5. Step 5: Solve for x
    x = 15,337,390,514.74/171,859.88
  6. Step 6: Final answer
    x = 89,243.58

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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.