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Finding the Fourth Proportional to 171,873.90, 257,749.09 and 59,523.86

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Solution

The fourth proportional to 171,873.90, 257,749.09 and 59,523.86 is: 89,264.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,873.90 : 257,749.09 = 59,523.86 : x
  2. Step 2: Convert to fraction form
    171,873.90/257,749.09 = 59,523.86/x
  3. Step 3: Cross multiply
    171,873.90x = 257,749.09 × 59,523.86
  4. Step 4: Simplify right side
    171,873.90x = 15,342,221,243.85
  5. Step 5: Solve for x
    x = 15,342,221,243.85/171,873.90
  6. Step 6: Final answer
    x = 89,264.40

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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.