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Finding the Fourth Proportional to 171,684.78, 257,477.94 and 59,335.62

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Solution

The fourth proportional to 171,684.78, 257,477.94 and 59,335.62 is: 88,986.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,684.78 : 257,477.94 = 59,335.62 : x
  2. Step 2: Convert to fraction form
    171,684.78/257,477.94 = 59,335.62/x
  3. Step 3: Cross multiply
    171,684.78x = 257,477.94 × 59,335.62
  4. Step 4: Simplify right side
    171,684.78x = 15,277,613,206.22
  5. Step 5: Solve for x
    x = 15,277,613,206.22/171,684.78
  6. Step 6: Final answer
    x = 88,986.42

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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.