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Finding the Fourth Proportional to 73,245.90, 109,877.52 and 23,308.50

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Solution

The fourth proportional to 73,245.90, 109,877.52 and 23,308.50 is: 34,965.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,245.90 : 109,877.52 = 23,308.50 : x
  2. Step 2: Convert to fraction form
    73,245.90/109,877.52 = 23,308.50/x
  3. Step 3: Cross multiply
    73,245.90x = 109,877.52 × 23,308.50
  4. Step 4: Simplify right side
    73,245.90x = 2,561,080,174.92
  5. Step 5: Solve for x
    x = 2,561,080,174.92/73,245.90
  6. Step 6: Final answer
    x = 34,965.51

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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.