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Finding the Fourth Proportional to 74,690.60, 112,057.66 and 22,101.48

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Solution

The fourth proportional to 74,690.60, 112,057.66 and 22,101.48 is: 33,158.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,690.60 : 112,057.66 = 22,101.48 : x
  2. Step 2: Convert to fraction form
    74,690.60/112,057.66 = 22,101.48/x
  3. Step 3: Cross multiply
    74,690.60x = 112,057.66 × 22,101.48
  4. Step 4: Simplify right side
    74,690.60x = 2,476,640,131.34
  5. Step 5: Solve for x
    x = 2,476,640,131.34/74,690.60
  6. Step 6: Final answer
    x = 33,158.66

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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.