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Finding the Fourth Proportional to 73,133.10, 109,628.25 and 35,691.66

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Solution

The fourth proportional to 73,133.10, 109,628.25 and 35,691.66 is: 53,502.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,133.10 : 109,628.25 = 35,691.66 : x
  2. Step 2: Convert to fraction form
    73,133.10/109,628.25 = 35,691.66/x
  3. Step 3: Cross multiply
    73,133.10x = 109,628.25 × 35,691.66
  4. Step 4: Simplify right side
    73,133.10x = 3,912,814,225.40
  5. Step 5: Solve for x
    x = 3,912,814,225.40/73,133.10
  6. Step 6: Final answer
    x = 53,502.64

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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.