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Finding the Fourth Proportional to 192,626.48, 288,548.04 and 157,214

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Solution

The fourth proportional to 192,626.48, 288,548.04 and 157,214 is: 235,501.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,626.48 : 288,548.04 = 157,214 : x
  2. Step 2: Convert to fraction form
    192,626.48/288,548.04 = 157,214/x
  3. Step 3: Cross multiply
    192,626.48x = 288,548.04 × 157,214
  4. Step 4: Simplify right side
    192,626.48x = 45,363,791,560.56
  5. Step 5: Solve for x
    x = 45,363,791,560.56/192,626.48
  6. Step 6: Final answer
    x = 235,501.33

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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.