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Finding the Fourth Proportional to 114,171.73, 157,554.49 and 62,488.57

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Solution

The fourth proportional to 114,171.73, 157,554.49 and 62,488.57 is: 86,232.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,171.73 : 157,554.49 = 62,488.57 : x
  2. Step 2: Convert to fraction form
    114,171.73/157,554.49 = 62,488.57/x
  3. Step 3: Cross multiply
    114,171.73x = 157,554.49 × 62,488.57
  4. Step 4: Simplify right side
    114,171.73x = 9,845,355,171.07
  5. Step 5: Solve for x
    x = 9,845,355,171.07/114,171.73
  6. Step 6: Final answer
    x = 86,232.87

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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.