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Finding the Fourth Proportional to 132,612.36, 183,008 and 75,255.44

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Solution

The fourth proportional to 132,612.36, 183,008 and 75,255.44 is: 103,854.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,612.36 : 183,008 = 75,255.44 : x
  2. Step 2: Convert to fraction form
    132,612.36/183,008 = 75,255.44/x
  3. Step 3: Cross multiply
    132,612.36x = 183,008 × 75,255.44
  4. Step 4: Simplify right side
    132,612.36x = 13,772,347,563.52
  5. Step 5: Solve for x
    x = 13,772,347,563.52/132,612.36
  6. Step 6: Final answer
    x = 103,854.18

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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.