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Finding the Fourth Proportional to 70,447.22, 105,645.72 and 23,050.88

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Solution

The fourth proportional to 70,447.22, 105,645.72 and 23,050.88 is: 34,568.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,447.22 : 105,645.72 = 23,050.88 : x
  2. Step 2: Convert to fraction form
    70,447.22/105,645.72 = 23,050.88/x
  3. Step 3: Cross multiply
    70,447.22x = 105,645.72 × 23,050.88
  4. Step 4: Simplify right side
    70,447.22x = 2,435,226,814.23
  5. Step 5: Solve for x
    x = 2,435,226,814.23/70,447.22
  6. Step 6: Final answer
    x = 34,568.10

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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.