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Finding the Fourth Proportional to 157,468.70, 236,231.85 and 63,983.90

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Solution

The fourth proportional to 157,468.70, 236,231.85 and 63,983.90 is: 95,987.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,468.70 : 236,231.85 = 63,983.90 : x
  2. Step 2: Convert to fraction form
    157,468.70/236,231.85 = 63,983.90/x
  3. Step 3: Cross multiply
    157,468.70x = 236,231.85 × 63,983.90
  4. Step 4: Simplify right side
    157,468.70x = 15,115,035,067.22
  5. Step 5: Solve for x
    x = 15,115,035,067.22/157,468.70
  6. Step 6: Final answer
    x = 95,987.55

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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.