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Finding the Fourth Proportional to 171,854.48, 257,720.22 and 59,504.55

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Solution

The fourth proportional to 171,854.48, 257,720.22 and 59,504.55 is: 89,235.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,854.48 : 257,720.22 = 59,504.55 : x
  2. Step 2: Convert to fraction form
    171,854.48/257,720.22 = 59,504.55/x
  3. Step 3: Cross multiply
    171,854.48x = 257,720.22 × 59,504.55
  4. Step 4: Simplify right side
    171,854.48x = 15,335,525,717.00
  5. Step 5: Solve for x
    x = 15,335,525,717.00/171,854.48
  6. Step 6: Final answer
    x = 89,235.53

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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.