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Finding the Fourth Proportional to 167,911.96, 251,886.42 and 55,551.24

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Solution

The fourth proportional to 167,911.96, 251,886.42 and 55,551.24 is: 83,332.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,911.96 : 251,886.42 = 55,551.24 : x
  2. Step 2: Convert to fraction form
    167,911.96/251,886.42 = 55,551.24/x
  3. Step 3: Cross multiply
    167,911.96x = 251,886.42 × 55,551.24
  4. Step 4: Simplify right side
    167,911.96x = 13,992,602,970.16
  5. Step 5: Solve for x
    x = 13,992,602,970.16/167,911.96
  6. Step 6: Final answer
    x = 83,332.97

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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.