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Finding the Fourth Proportional to 73,167.76, 109,740.40 and 23,241.40

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Solution

The fourth proportional to 73,167.76, 109,740.40 and 23,241.40 is: 34,858.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,167.76 : 109,740.40 = 23,241.40 : x
  2. Step 2: Convert to fraction form
    73,167.76/109,740.40 = 23,241.40/x
  3. Step 3: Cross multiply
    73,167.76x = 109,740.40 × 23,241.40
  4. Step 4: Simplify right side
    73,167.76x = 2,550,520,532.56
  5. Step 5: Solve for x
    x = 2,550,520,532.56/73,167.76
  6. Step 6: Final answer
    x = 34,858.53

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1.5x scale

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.