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Finding the Fourth Proportional to 124,044.72, 186,062.92 and 53,924

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Solution

The fourth proportional to 124,044.72, 186,062.92 and 53,924 is: 80,884.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,044.72 : 186,062.92 = 53,924 : x
  2. Step 2: Convert to fraction form
    124,044.72/186,062.92 = 53,924/x
  3. Step 3: Cross multiply
    124,044.72x = 186,062.92 × 53,924
  4. Step 4: Simplify right side
    124,044.72x = 10,033,256,898.08
  5. Step 5: Solve for x
    x = 10,033,256,898.08/124,044.72
  6. Step 6: Final answer
    x = 80,884.19

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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.