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Finding the Fourth Proportional to 92,978.22, 139,466.10 and 22,858.14

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Solution

The fourth proportional to 92,978.22, 139,466.10 and 22,858.14 is: 34,286.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,978.22 : 139,466.10 = 22,858.14 : x
  2. Step 2: Convert to fraction form
    92,978.22/139,466.10 = 22,858.14/x
  3. Step 3: Cross multiply
    92,978.22x = 139,466.10 × 22,858.14
  4. Step 4: Simplify right side
    92,978.22x = 3,187,935,639.05
  5. Step 5: Solve for x
    x = 3,187,935,639.05/92,978.22
  6. Step 6: Final answer
    x = 34,286.91

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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.