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Finding the Fourth Proportional to 92,652.66, 138,978.99 and 22,531.77

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Solution

The fourth proportional to 92,652.66, 138,978.99 and 22,531.77 is: 33,797.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,652.66 : 138,978.99 = 22,531.77 : x
  2. Step 2: Convert to fraction form
    92,652.66/138,978.99 = 22,531.77/x
  3. Step 3: Cross multiply
    92,652.66x = 138,978.99 × 22,531.77
  4. Step 4: Simplify right side
    92,652.66x = 3,131,442,637.51
  5. Step 5: Solve for x
    x = 3,131,442,637.51/92,652.66
  6. Step 6: Final answer
    x = 33,797.66

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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.