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Finding the Fourth Proportional to 247,382.51, 371,072.84 and 89,574.05

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Solution

The fourth proportional to 247,382.51, 371,072.84 and 89,574.05 is: 134,360.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,382.51 : 371,072.84 = 89,574.05 : x
  2. Step 2: Convert to fraction form
    247,382.51/371,072.84 = 89,574.05/x
  3. Step 3: Cross multiply
    247,382.51x = 371,072.84 × 89,574.05
  4. Step 4: Simplify right side
    247,382.51x = 33,238,494,820.57
  5. Step 5: Solve for x
    x = 33,238,494,820.57/247,382.51
  6. Step 6: Final answer
    x = 134,360.73

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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.