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Finding the Fourth Proportional to 133,397.26, 199,964.64 and 63,325.78

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Solution

The fourth proportional to 133,397.26, 199,964.64 and 63,325.78 is: 94,926.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,397.26 : 199,964.64 = 63,325.78 : x
  2. Step 2: Convert to fraction form
    133,397.26/199,964.64 = 63,325.78/x
  3. Step 3: Cross multiply
    133,397.26x = 199,964.64 × 63,325.78
  4. Step 4: Simplify right side
    133,397.26x = 12,662,916,800.42
  5. Step 5: Solve for x
    x = 12,662,916,800.42/133,397.26
  6. Step 6: Final answer
    x = 94,926.36

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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.