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Finding the Fourth Proportional to 148,471.70, 222,707.55 and 130,975.70

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Solution

The fourth proportional to 148,471.70, 222,707.55 and 130,975.70 is: 196,463.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,471.70 : 222,707.55 = 130,975.70 : x
  2. Step 2: Convert to fraction form
    148,471.70/222,707.55 = 130,975.70/x
  3. Step 3: Cross multiply
    148,471.70x = 222,707.55 × 130,975.70
  4. Step 4: Simplify right side
    148,471.70x = 29,169,277,256.54
  5. Step 5: Solve for x
    x = 29,169,277,256.54/148,471.70
  6. Step 6: Final answer
    x = 196,463.55

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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.