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Finding the Fourth Proportional to 204,668.83, 306,663.83 and 124,464.18

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Solution

The fourth proportional to 204,668.83, 306,663.83 and 124,464.18 is: 186,489.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,668.83 : 306,663.83 = 124,464.18 : x
  2. Step 2: Convert to fraction form
    204,668.83/306,663.83 = 124,464.18/x
  3. Step 3: Cross multiply
    204,668.83x = 306,663.83 × 124,464.18
  4. Step 4: Simplify right side
    204,668.83x = 38,168,662,681.14
  5. Step 5: Solve for x
    x = 38,168,662,681.14/204,668.83
  6. Step 6: Final answer
    x = 186,489.87

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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.