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Finding the Fourth Proportional to 204,862.32, 307,293.48 and 64,631.88

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Solution

The fourth proportional to 204,862.32, 307,293.48 and 64,631.88 is: 96,947.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,862.32 : 307,293.48 = 64,631.88 : x
  2. Step 2: Convert to fraction form
    204,862.32/307,293.48 = 64,631.88/x
  3. Step 3: Cross multiply
    204,862.32x = 307,293.48 × 64,631.88
  4. Step 4: Simplify right side
    204,862.32x = 19,860,955,324.14
  5. Step 5: Solve for x
    x = 19,860,955,324.14/204,862.32
  6. Step 6: Final answer
    x = 96,947.82

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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.