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Finding the Fourth Proportional to 151,412.99, 226,947.24 and 92,117.94

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Solution

The fourth proportional to 151,412.99, 226,947.24 and 92,117.94 is: 138,072.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,412.99 : 226,947.24 = 92,117.94 : x
  2. Step 2: Convert to fraction form
    151,412.99/226,947.24 = 92,117.94/x
  3. Step 3: Cross multiply
    151,412.99x = 226,947.24 × 92,117.94
  4. Step 4: Simplify right side
    151,412.99x = 20,905,912,237.49
  5. Step 5: Solve for x
    x = 20,905,912,237.49/151,412.99
  6. Step 6: Final answer
    x = 138,072.12

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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.