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Finding the Fourth Proportional to 166,888.72, 250,348.47 and 54,569.52

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Solution

The fourth proportional to 166,888.72, 250,348.47 and 54,569.52 is: 81,859.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,888.72 : 250,348.47 = 54,569.52 : x
  2. Step 2: Convert to fraction form
    166,888.72/250,348.47 = 54,569.52/x
  3. Step 3: Cross multiply
    166,888.72x = 250,348.47 × 54,569.52
  4. Step 4: Simplify right side
    166,888.72x = 13,661,395,840.63
  5. Step 5: Solve for x
    x = 13,661,395,840.63/166,888.72
  6. Step 6: Final answer
    x = 81,859.31

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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.