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Finding the Fourth Proportional to 302,491.88, 453,812.56 and 125,049.64

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Solution

The fourth proportional to 302,491.88, 453,812.56 and 125,049.64 is: 187,605.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,491.88 : 453,812.56 = 125,049.64 : x
  2. Step 2: Convert to fraction form
    302,491.88/453,812.56 = 125,049.64/x
  3. Step 3: Cross multiply
    302,491.88x = 453,812.56 × 125,049.64
  4. Step 4: Simplify right side
    302,491.88x = 56,749,097,255.48
  5. Step 5: Solve for x
    x = 56,749,097,255.48/302,491.88
  6. Step 6: Final answer
    x = 187,605.36

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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.