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Finding the Fourth Proportional to 114,743.73, 171,866.35 and 55,455.06

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Solution

The fourth proportional to 114,743.73, 171,866.35 and 55,455.06 is: 83,062.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,743.73 : 171,866.35 = 55,455.06 : x
  2. Step 2: Convert to fraction form
    114,743.73/171,866.35 = 55,455.06/x
  3. Step 3: Cross multiply
    114,743.73x = 171,866.35 × 55,455.06
  4. Step 4: Simplify right side
    114,743.73x = 9,530,858,751.23
  5. Step 5: Solve for x
    x = 9,530,858,751.23/114,743.73
  6. Step 6: Final answer
    x = 83,062.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.