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Finding the Fourth Proportional to 167,916.25, 251,883.03 and 47,963.74

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Solution

The fourth proportional to 167,916.25, 251,883.03 and 47,963.74 is: 71,948.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,916.25 : 251,883.03 = 47,963.74 : x
  2. Step 2: Convert to fraction form
    167,916.25/251,883.03 = 47,963.74/x
  3. Step 3: Cross multiply
    167,916.25x = 251,883.03 × 47,963.74
  4. Step 4: Simplify right side
    167,916.25x = 12,081,251,921.51
  5. Step 5: Solve for x
    x = 12,081,251,921.51/167,916.25
  6. Step 6: Final answer
    x = 71,948.08

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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.