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Finding the Fourth Proportional to 292,660.74, 403,863.57 and 171,800.10

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Solution

The fourth proportional to 292,660.74, 403,863.57 and 171,800.10 is: 237,079.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,660.74 : 403,863.57 = 171,800.10 : x
  2. Step 2: Convert to fraction form
    292,660.74/403,863.57 = 171,800.10/x
  3. Step 3: Cross multiply
    292,660.74x = 403,863.57 × 171,800.10
  4. Step 4: Simplify right side
    292,660.74x = 69,383,801,712.36
  5. Step 5: Solve for x
    x = 69,383,801,712.36/292,660.74
  6. Step 6: Final answer
    x = 237,079.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.