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Finding the Fourth Proportional to 133,371.30, 200,111.03 and 58,451.97

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Solution

The fourth proportional to 133,371.30, 200,111.03 and 58,451.97 is: 87,701.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,371.30 : 200,111.03 = 58,451.97 : x
  2. Step 2: Convert to fraction form
    133,371.30/200,111.03 = 58,451.97/x
  3. Step 3: Cross multiply
    133,371.30x = 200,111.03 × 58,451.97
  4. Step 4: Simplify right side
    133,371.30x = 11,696,884,599.58
  5. Step 5: Solve for x
    x = 11,696,884,599.58/133,371.30
  6. Step 6: Final answer
    x = 87,701.66

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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.