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Finding the Fourth Proportional to 171,369.12, 257,004.32 and 59,044.80

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Solution

The fourth proportional to 171,369.12, 257,004.32 and 59,044.80 is: 88,550.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,369.12 : 257,004.32 = 59,044.80 : x
  2. Step 2: Convert to fraction form
    171,369.12/257,004.32 = 59,044.80/x
  3. Step 3: Cross multiply
    171,369.12x = 257,004.32 × 59,044.80
  4. Step 4: Simplify right side
    171,369.12x = 15,174,768,673.54
  5. Step 5: Solve for x
    x = 15,174,768,673.54/171,369.12
  6. Step 6: Final answer
    x = 88,550.19

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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.