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Finding the Fourth Proportional to 173,256, 239,093.28 and 93,768

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Solution

The fourth proportional to 173,256, 239,093.28 and 93,768 is: 129,399.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,256 : 239,093.28 = 93,768 : x
  2. Step 2: Convert to fraction form
    173,256/239,093.28 = 93,768/x
  3. Step 3: Cross multiply
    173,256x = 239,093.28 × 93,768
  4. Step 4: Simplify right side
    173,256x = 22,419,298,679.04
  5. Step 5: Solve for x
    x = 22,419,298,679.04/173,256
  6. Step 6: Final answer
    x = 129,399.84

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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.