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Finding the Fourth Proportional to 123,304.49, 185,053.97 and 63,330.54

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Solution

The fourth proportional to 123,304.49, 185,053.97 and 63,330.54 is: 95,045.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,304.49 : 185,053.97 = 63,330.54 : x
  2. Step 2: Convert to fraction form
    123,304.49/185,053.97 = 63,330.54/x
  3. Step 3: Cross multiply
    123,304.49x = 185,053.97 × 63,330.54
  4. Step 4: Simplify right side
    123,304.49x = 11,719,567,849.24
  5. Step 5: Solve for x
    x = 11,719,567,849.24/123,304.49
  6. Step 6: Final answer
    x = 95,045.75

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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.