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Finding the Fourth Proportional to 70,053.40, 105,110.93 and 36,765.44

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Solution

The fourth proportional to 70,053.40, 105,110.93 and 36,765.44 is: 55,164.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,053.40 : 105,110.93 = 36,765.44 : x
  2. Step 2: Convert to fraction form
    70,053.40/105,110.93 = 36,765.44/x
  3. Step 3: Cross multiply
    70,053.40x = 105,110.93 × 36,765.44
  4. Step 4: Simplify right side
    70,053.40x = 3,864,449,064.70
  5. Step 5: Solve for x
    x = 3,864,449,064.70/70,053.40
  6. Step 6: Final answer
    x = 55,164.33

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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.