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Finding the Fourth Proportional to 204,663.62, 306,737.58 and 109,658.18

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Solution

The fourth proportional to 204,663.62, 306,737.58 and 109,658.18 is: 164,349.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,663.62 : 306,737.58 = 109,658.18 : x
  2. Step 2: Convert to fraction form
    204,663.62/306,737.58 = 109,658.18/x
  3. Step 3: Cross multiply
    204,663.62x = 306,737.58 × 109,658.18
  4. Step 4: Simplify right side
    204,663.62x = 33,636,284,760.40
  5. Step 5: Solve for x
    x = 33,636,284,760.40/204,663.62
  6. Step 6: Final answer
    x = 164,349.11

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1.5x scale

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.