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Finding the Fourth Proportional to 92,882.51, 139,323.74 and 22,761.21

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Solution

The fourth proportional to 92,882.51, 139,323.74 and 22,761.21 is: 34,141.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,882.51 : 139,323.74 = 22,761.21 : x
  2. Step 2: Convert to fraction form
    92,882.51/139,323.74 = 22,761.21/x
  3. Step 3: Cross multiply
    92,882.51x = 139,323.74 × 22,761.21
  4. Step 4: Simplify right side
    92,882.51x = 3,171,176,790.32
  5. Step 5: Solve for x
    x = 3,171,176,790.32/92,882.51
  6. Step 6: Final answer
    x = 34,141.81

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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.