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Finding the Fourth Proportional to 70,167.08, 105,251.50 and 23,419.96

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Solution

The fourth proportional to 70,167.08, 105,251.50 and 23,419.96 is: 35,130.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,167.08 : 105,251.50 = 23,419.96 : x
  2. Step 2: Convert to fraction form
    70,167.08/105,251.50 = 23,419.96/x
  3. Step 3: Cross multiply
    70,167.08x = 105,251.50 × 23,419.96
  4. Step 4: Simplify right side
    70,167.08x = 2,464,985,919.94
  5. Step 5: Solve for x
    x = 2,464,985,919.94/70,167.08
  6. Step 6: Final answer
    x = 35,130.23

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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.