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Finding the Fourth Proportional to 172,593.64, 238,164.06 and 96,106.96

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Solution

The fourth proportional to 172,593.64, 238,164.06 and 96,106.96 is: 132,619.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,593.64 : 238,164.06 = 96,106.96 : x
  2. Step 2: Convert to fraction form
    172,593.64/238,164.06 = 96,106.96/x
  3. Step 3: Cross multiply
    172,593.64x = 238,164.06 × 96,106.96
  4. Step 4: Simplify right side
    172,593.64x = 22,889,223,787.86
  5. Step 5: Solve for x
    x = 22,889,223,787.86/172,593.64
  6. Step 6: Final answer
    x = 132,619.16

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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.