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Finding the Fourth Proportional to 70,052.79, 105,109.99 and 36,765.05

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Solution

The fourth proportional to 70,052.79, 105,109.99 and 36,765.05 is: 55,163.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,052.79 : 105,109.99 = 36,765.05 : x
  2. Step 2: Convert to fraction form
    70,052.79/105,109.99 = 36,765.05/x
  3. Step 3: Cross multiply
    70,052.79x = 105,109.99 × 36,765.05
  4. Step 4: Simplify right side
    70,052.79x = 3,864,374,208.71
  5. Step 5: Solve for x
    x = 3,864,374,208.71/70,052.79
  6. Step 6: Final answer
    x = 55,163.74

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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.