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Finding the Fourth Proportional to 204,646.99, 306,955.49 and 64,445.71

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Solution

The fourth proportional to 204,646.99, 306,955.49 and 64,445.71 is: 96,663.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,646.99 : 306,955.49 = 64,445.71 : x
  2. Step 2: Convert to fraction form
    204,646.99/306,955.49 = 64,445.71/x
  3. Step 3: Cross multiply
    204,646.99x = 306,955.49 × 64,445.71
  4. Step 4: Simplify right side
    204,646.99x = 19,781,964,491.45
  5. Step 5: Solve for x
    x = 19,781,964,491.45/204,646.99
  6. Step 6: Final answer
    x = 96,663.84

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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.