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Finding the Fourth Proportional to 400,196.04, 600,325.65 and 133,957.53

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Solution

The fourth proportional to 400,196.04, 600,325.65 and 133,957.53 is: 200,946.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,196.04 : 600,325.65 = 133,957.53 : x
  2. Step 2: Convert to fraction form
    400,196.04/600,325.65 = 133,957.53/x
  3. Step 3: Cross multiply
    400,196.04x = 600,325.65 × 133,957.53
  4. Step 4: Simplify right side
    400,196.04x = 80,418,141,269.64
  5. Step 5: Solve for x
    x = 80,418,141,269.64/400,196.04
  6. Step 6: Final answer
    x = 200,946.87

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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.