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Finding the Fourth Proportional to 337,175.25, 505,762.88 and 87,857.25

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Solution

The fourth proportional to 337,175.25, 505,762.88 and 87,857.25 is: 131,785.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,175.25 : 505,762.88 = 87,857.25 : x
  2. Step 2: Convert to fraction form
    337,175.25/505,762.88 = 87,857.25/x
  3. Step 3: Cross multiply
    337,175.25x = 505,762.88 × 87,857.25
  4. Step 4: Simplify right side
    337,175.25x = 44,434,935,349.59
  5. Step 5: Solve for x
    x = 44,434,935,349.59/337,175.25
  6. Step 6: Final answer
    x = 131,785.88

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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.