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Finding the Fourth Proportional to 150,061.94, 225,009.81 and 61,377.72

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Solution

The fourth proportional to 150,061.94, 225,009.81 and 61,377.72 is: 92,032.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,061.94 : 225,009.81 = 61,377.72 : x
  2. Step 2: Convert to fraction form
    150,061.94/225,009.81 = 61,377.72/x
  3. Step 3: Cross multiply
    150,061.94x = 225,009.81 × 61,377.72
  4. Step 4: Simplify right side
    150,061.94x = 13,810,589,115.43
  5. Step 5: Solve for x
    x = 13,810,589,115.43/150,061.94
  6. Step 6: Final answer
    x = 92,032.59

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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.