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Finding the Fourth Proportional to 70,512.40, 105,773.40 and 22,477.20

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Solution

The fourth proportional to 70,512.40, 105,773.40 and 22,477.20 is: 33,717.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,512.40 : 105,773.40 = 22,477.20 : x
  2. Step 2: Convert to fraction form
    70,512.40/105,773.40 = 22,477.20/x
  3. Step 3: Cross multiply
    70,512.40x = 105,773.40 × 22,477.20
  4. Step 4: Simplify right side
    70,512.40x = 2,377,489,866.48
  5. Step 5: Solve for x
    x = 2,377,489,866.48/70,512.40
  6. Step 6: Final answer
    x = 33,717.33

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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.