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Finding the Fourth Proportional to 92,657.12, 138,984.52 and 22,536.48

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Solution

The fourth proportional to 92,657.12, 138,984.52 and 22,536.48 is: 33,804.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,657.12 : 138,984.52 = 22,536.48 : x
  2. Step 2: Convert to fraction form
    92,657.12/138,984.52 = 22,536.48/x
  3. Step 3: Cross multiply
    92,657.12x = 138,984.52 × 22,536.48
  4. Step 4: Simplify right side
    92,657.12x = 3,132,221,855.29
  5. Step 5: Solve for x
    x = 3,132,221,855.29/92,657.12
  6. Step 6: Final answer
    x = 33,804.44

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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.