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Finding the Fourth Proportional to 302,243.26, 453,348.48 and 91,864.79

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Solution

The fourth proportional to 302,243.26, 453,348.48 and 91,864.79 is: 137,792.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,243.26 : 453,348.48 = 91,864.79 : x
  2. Step 2: Convert to fraction form
    302,243.26/453,348.48 = 91,864.79/x
  3. Step 3: Cross multiply
    302,243.26x = 453,348.48 × 91,864.79
  4. Step 4: Simplify right side
    302,243.26x = 41,646,762,912.02
  5. Step 5: Solve for x
    x = 41,646,762,912.02/302,243.26
  6. Step 6: Final answer
    x = 137,792.20

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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.