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Finding the Fourth Proportional to 114,357.54, 157,616.37 and 76,048.61

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Solution

The fourth proportional to 114,357.54, 157,616.37 and 76,048.61 is: 104,816.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,357.54 : 157,616.37 = 76,048.61 : x
  2. Step 2: Convert to fraction form
    114,357.54/157,616.37 = 76,048.61/x
  3. Step 3: Cross multiply
    114,357.54x = 157,616.37 × 76,048.61
  4. Step 4: Simplify right side
    114,357.54x = 11,986,505,851.75
  5. Step 5: Solve for x
    x = 11,986,505,851.75/114,357.54
  6. Step 6: Final answer
    x = 104,816.06

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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.