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Finding the Fourth Proportional to 169,921.92, 254,866.38 and 51,594.27

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Solution

The fourth proportional to 169,921.92, 254,866.38 and 51,594.27 is: 77,386.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,921.92 : 254,866.38 = 51,594.27 : x
  2. Step 2: Convert to fraction form
    169,921.92/254,866.38 = 51,594.27/x
  3. Step 3: Cross multiply
    169,921.92x = 254,866.38 × 51,594.27
  4. Step 4: Simplify right side
    169,921.92x = 13,149,644,823.64
  5. Step 5: Solve for x
    x = 13,149,644,823.64/169,921.92
  6. Step 6: Final answer
    x = 77,386.40

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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.