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Finding the Fourth Proportional to 173,289, 239,139.54 and 93,801

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Solution

The fourth proportional to 173,289, 239,139.54 and 93,801 is: 129,445.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,289 : 239,139.54 = 93,801 : x
  2. Step 2: Convert to fraction form
    173,289/239,139.54 = 93,801/x
  3. Step 3: Cross multiply
    173,289x = 239,139.54 × 93,801
  4. Step 4: Simplify right side
    173,289x = 22,431,527,991.54
  5. Step 5: Solve for x
    x = 22,431,527,991.54/173,289
  6. Step 6: Final answer
    x = 129,445.77

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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.