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Finding the Fourth Proportional to 204,703.61, 307,055.41 and 79,957.13

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Solution

The fourth proportional to 204,703.61, 307,055.41 and 79,957.13 is: 119,935.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,703.61 : 307,055.41 = 79,957.13 : x
  2. Step 2: Convert to fraction form
    204,703.61/307,055.41 = 79,957.13/x
  3. Step 3: Cross multiply
    204,703.61x = 307,055.41 × 79,957.13
  4. Step 4: Simplify right side
    204,703.61x = 24,551,267,599.40
  5. Step 5: Solve for x
    x = 24,551,267,599.40/204,703.61
  6. Step 6: Final answer
    x = 119,935.69

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Similar ratio
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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.