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Finding the Fourth Proportional to 302,271.43, 453,390.75 and 91,892.97

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Solution

The fourth proportional to 302,271.43, 453,390.75 and 91,892.97 is: 137,834.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,271.43 : 453,390.75 = 91,892.97 : x
  2. Step 2: Convert to fraction form
    302,271.43/453,390.75 = 91,892.97/x
  3. Step 3: Cross multiply
    302,271.43x = 453,390.75 × 91,892.97
  4. Step 4: Simplify right side
    302,271.43x = 41,663,422,588.03
  5. Step 5: Solve for x
    x = 41,663,422,588.03/302,271.43
  6. Step 6: Final answer
    x = 137,834.47

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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.