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Finding the Fourth Proportional to 173,784, 239,821.92 and 94,296

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Solution

The fourth proportional to 173,784, 239,821.92 and 94,296 is: 130,128.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,784 : 239,821.92 = 94,296 : x
  2. Step 2: Convert to fraction form
    173,784/239,821.92 = 94,296/x
  3. Step 3: Cross multiply
    173,784x = 239,821.92 × 94,296
  4. Step 4: Simplify right side
    173,784x = 22,614,247,768.32
  5. Step 5: Solve for x
    x = 22,614,247,768.32/173,784
  6. Step 6: Final answer
    x = 130,128.48

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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.