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Finding the Fourth Proportional to 169,922.66, 254,866.41 and 57,600

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Solution

The fourth proportional to 169,922.66, 254,866.41 and 57,600 is: 86,394.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,922.66 : 254,866.41 = 57,600 : x
  2. Step 2: Convert to fraction form
    169,922.66/254,866.41 = 57,600/x
  3. Step 3: Cross multiply
    169,922.66x = 254,866.41 × 57,600
  4. Step 4: Simplify right side
    169,922.66x = 14,680,305,216
  5. Step 5: Solve for x
    x = 14,680,305,216/169,922.66
  6. Step 6: Final answer
    x = 86,394.04

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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.