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Finding the Fourth Proportional to 73,502.40, 110,221.20 and 29,114.40

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Solution

The fourth proportional to 73,502.40, 110,221.20 and 29,114.40 is: 43,658.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,502.40 : 110,221.20 = 29,114.40 : x
  2. Step 2: Convert to fraction form
    73,502.40/110,221.20 = 29,114.40/x
  3. Step 3: Cross multiply
    73,502.40x = 110,221.20 × 29,114.40
  4. Step 4: Simplify right side
    73,502.40x = 3,209,024,105.28
  5. Step 5: Solve for x
    x = 3,209,024,105.28/73,502.40
  6. Step 6: Final answer
    x = 43,658.77

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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.