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Finding the Fourth Proportional to 114,238.54, 157,644 and 63,247.66

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Solution

The fourth proportional to 114,238.54, 157,644 and 63,247.66 is: 87,278.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,238.54 : 157,644 = 63,247.66 : x
  2. Step 2: Convert to fraction form
    114,238.54/157,644 = 63,247.66/x
  3. Step 3: Cross multiply
    114,238.54x = 157,644 × 63,247.66
  4. Step 4: Simplify right side
    114,238.54x = 9,970,614,113.04
  5. Step 5: Solve for x
    x = 9,970,614,113.04/114,238.54
  6. Step 6: Final answer
    x = 87,278.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.