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Finding the Fourth Proportional to 114,309.87, 157,747.59 and 62,628.80

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Solution

The fourth proportional to 114,309.87, 157,747.59 and 62,628.80 is: 86,427.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,309.87 : 157,747.59 = 62,628.80 : x
  2. Step 2: Convert to fraction form
    114,309.87/157,747.59 = 62,628.80/x
  3. Step 3: Cross multiply
    114,309.87x = 157,747.59 × 62,628.80
  4. Step 4: Simplify right side
    114,309.87x = 9,879,541,951.45
  5. Step 5: Solve for x
    x = 9,879,541,951.45/114,309.87
  6. Step 6: Final answer
    x = 86,427.73

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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.