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Finding the Fourth Proportional to 173,398, 239,289.24 and 93,910

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Solution

The fourth proportional to 173,398, 239,289.24 and 93,910 is: 129,595.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,398 : 239,289.24 = 93,910 : x
  2. Step 2: Convert to fraction form
    173,398/239,289.24 = 93,910/x
  3. Step 3: Cross multiply
    173,398x = 239,289.24 × 93,910
  4. Step 4: Simplify right side
    173,398x = 22,471,652,528.40
  5. Step 5: Solve for x
    x = 22,471,652,528.40/173,398
  6. Step 6: Final answer
    x = 129,595.80

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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.