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Finding the Fourth Proportional to 133,468.79, 200,196.92 and 38,696.15

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Solution

The fourth proportional to 133,468.79, 200,196.92 and 38,696.15 is: 58,042.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,468.79 : 200,196.92 = 38,696.15 : x
  2. Step 2: Convert to fraction form
    133,468.79/200,196.92 = 38,696.15/x
  3. Step 3: Cross multiply
    133,468.79x = 200,196.92 × 38,696.15
  4. Step 4: Simplify right side
    133,468.79x = 7,746,848,851.39
  5. Step 5: Solve for x
    x = 7,746,848,851.39/133,468.79
  6. Step 6: Final answer
    x = 58,042.40

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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.