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Finding the Fourth Proportional to 173,809.52, 239,857.12 and 94,321.52

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Solution

The fourth proportional to 173,809.52, 239,857.12 and 94,321.52 is: 130,163.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,809.52 : 239,857.12 = 94,321.52 : x
  2. Step 2: Convert to fraction form
    173,809.52/239,857.12 = 94,321.52/x
  3. Step 3: Cross multiply
    173,809.52x = 239,857.12 × 94,321.52
  4. Step 4: Simplify right side
    173,809.52x = 22,623,688,141.22
  5. Step 5: Solve for x
    x = 22,623,688,141.22/173,809.52
  6. Step 6: Final answer
    x = 130,163.69

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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.