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Finding the Fourth Proportional to 169,921.83, 254,866.25 and 51,594.20

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Solution

The fourth proportional to 169,921.83, 254,866.25 and 51,594.20 is: 77,386.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,921.83 : 254,866.25 = 51,594.20 : x
  2. Step 2: Convert to fraction form
    169,921.83/254,866.25 = 51,594.20/x
  3. Step 3: Cross multiply
    169,921.83x = 254,866.25 × 51,594.20
  4. Step 4: Simplify right side
    169,921.83x = 13,149,618,743.45
  5. Step 5: Solve for x
    x = 13,149,618,743.45/169,921.83
  6. Step 6: Final answer
    x = 77,386.28

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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.