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Finding the Fourth Proportional to 302,453.14, 453,679.71 and 124,964.75

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Solution

The fourth proportional to 302,453.14, 453,679.71 and 124,964.75 is: 187,447.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,453.14 : 453,679.71 = 124,964.75 : x
  2. Step 2: Convert to fraction form
    302,453.14/453,679.71 = 124,964.75/x
  3. Step 3: Cross multiply
    302,453.14x = 453,679.71 × 124,964.75
  4. Step 4: Simplify right side
    302,453.14x = 56,693,971,540.22
  5. Step 5: Solve for x
    x = 56,693,971,540.22/302,453.14
  6. Step 6: Final answer
    x = 187,447.13

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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.