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Finding the Fourth Proportional to 70,167.42, 105,267.67 and 22,782.35

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Solution

The fourth proportional to 70,167.42, 105,267.67 and 22,782.35 is: 34,178.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,167.42 : 105,267.67 = 22,782.35 : x
  2. Step 2: Convert to fraction form
    70,167.42/105,267.67 = 22,782.35/x
  3. Step 3: Cross multiply
    70,167.42x = 105,267.67 × 22,782.35
  4. Step 4: Simplify right side
    70,167.42x = 2,398,245,107.84
  5. Step 5: Solve for x
    x = 2,398,245,107.84/70,167.42
  6. Step 6: Final answer
    x = 34,178.90

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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.