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Finding the Fourth Proportional to 217,175.60, 325,877.01 and 157,695.41

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Solution

The fourth proportional to 217,175.60, 325,877.01 and 157,695.41 is: 236,625.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,175.60 : 325,877.01 = 157,695.41 : x
  2. Step 2: Convert to fraction form
    217,175.60/325,877.01 = 157,695.41/x
  3. Step 3: Cross multiply
    217,175.60x = 325,877.01 × 157,695.41
  4. Step 4: Simplify right side
    217,175.60x = 51,389,308,924.86
  5. Step 5: Solve for x
    x = 51,389,308,924.86/217,175.60
  6. Step 6: Final answer
    x = 236,625.61

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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.