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Finding the Fourth Proportional to 70,878.33, 106,383.38 and 35,843.13

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Solution

The fourth proportional to 70,878.33, 106,383.38 and 35,843.13 is: 53,798.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,878.33 : 106,383.38 = 35,843.13 : x
  2. Step 2: Convert to fraction form
    70,878.33/106,383.38 = 35,843.13/x
  3. Step 3: Cross multiply
    70,878.33x = 106,383.38 × 35,843.13
  4. Step 4: Simplify right side
    70,878.33x = 3,813,113,139.96
  5. Step 5: Solve for x
    x = 3,813,113,139.96/70,878.33
  6. Step 6: Final answer
    x = 53,798.01

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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.