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Finding the Fourth Proportional to 114,212.13, 157,610.86 and 63,223.79

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Solution

The fourth proportional to 114,212.13, 157,610.86 and 63,223.79 is: 87,247.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,212.13 : 157,610.86 = 63,223.79 : x
  2. Step 2: Convert to fraction form
    114,212.13/157,610.86 = 63,223.79/x
  3. Step 3: Cross multiply
    114,212.13x = 157,610.86 × 63,223.79
  4. Step 4: Simplify right side
    114,212.13x = 9,964,756,210.44
  5. Step 5: Solve for x
    x = 9,964,756,210.44/114,212.13
  6. Step 6: Final answer
    x = 87,247.80

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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.