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Finding the Fourth Proportional to 173,472, 239,391.36 and 93,984

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Solution

The fourth proportional to 173,472, 239,391.36 and 93,984 is: 129,697.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,472 : 239,391.36 = 93,984 : x
  2. Step 2: Convert to fraction form
    173,472/239,391.36 = 93,984/x
  3. Step 3: Cross multiply
    173,472x = 239,391.36 × 93,984
  4. Step 4: Simplify right side
    173,472x = 22,498,957,578.24
  5. Step 5: Solve for x
    x = 22,498,957,578.24/173,472
  6. Step 6: Final answer
    x = 129,697.92

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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.