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Finding the Fourth Proportional to 564,107.98, 846,151.05 and 137,646.58

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Solution

The fourth proportional to 564,107.98, 846,151.05 and 137,646.58 is: 206,467.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,107.98 : 846,151.05 = 137,646.58 : x
  2. Step 2: Convert to fraction form
    564,107.98/846,151.05 = 137,646.58/x
  3. Step 3: Cross multiply
    564,107.98x = 846,151.05 × 137,646.58
  4. Step 4: Simplify right side
    564,107.98x = 116,469,798,195.91
  5. Step 5: Solve for x
    x = 116,469,798,195.91/564,107.98
  6. Step 6: Final answer
    x = 206,467.21

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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.