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Finding the Fourth Proportional to 302,262.35, 453,418.91 and 91,902.11

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Solution

The fourth proportional to 302,262.35, 453,418.91 and 91,902.11 is: 137,860.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,262.35 : 453,418.91 = 91,902.11 : x
  2. Step 2: Convert to fraction form
    302,262.35/453,418.91 = 91,902.11/x
  3. Step 3: Cross multiply
    302,262.35x = 453,418.91 × 91,902.11
  4. Step 4: Simplify right side
    302,262.35x = 41,670,154,083.39
  5. Step 5: Solve for x
    x = 41,670,154,083.39/302,262.35
  6. Step 6: Final answer
    x = 137,860.88

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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.