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Finding the Fourth Proportional to 167,287.28, 250,892.64 and 99,838.37

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Solution

The fourth proportional to 167,287.28, 250,892.64 and 99,838.37 is: 149,734.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,287.28 : 250,892.64 = 99,838.37 : x
  2. Step 2: Convert to fraction form
    167,287.28/250,892.64 = 99,838.37/x
  3. Step 3: Cross multiply
    167,287.28x = 250,892.64 × 99,838.37
  4. Step 4: Simplify right side
    167,287.28x = 25,048,712,849.83
  5. Step 5: Solve for x
    x = 25,048,712,849.83/167,287.28
  6. Step 6: Final answer
    x = 149,734.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.