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Finding the Fourth Proportional to 173,121, 239,015.03 and 132,757.08

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Solution

The fourth proportional to 173,121, 239,015.03 and 132,757.08 is: 183,287.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,121 : 239,015.03 = 132,757.08 : x
  2. Step 2: Convert to fraction form
    173,121/239,015.03 = 132,757.08/x
  3. Step 3: Cross multiply
    173,121x = 239,015.03 × 132,757.08
  4. Step 4: Simplify right side
    173,121x = 31,730,937,458.91
  5. Step 5: Solve for x
    x = 31,730,937,458.91/173,121
  6. Step 6: Final answer
    x = 183,287.63

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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.