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Finding the Fourth Proportional to 89,506.69, 134,265.30 and 36,898

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Solution

The fourth proportional to 89,506.69, 134,265.30 and 36,898 is: 55,349.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,506.69 : 134,265.30 = 36,898 : x
  2. Step 2: Convert to fraction form
    89,506.69/134,265.30 = 36,898/x
  3. Step 3: Cross multiply
    89,506.69x = 134,265.30 × 36,898
  4. Step 4: Simplify right side
    89,506.69x = 4,954,121,039.40
  5. Step 5: Solve for x
    x = 4,954,121,039.40/89,506.69
  6. Step 6: Final answer
    x = 55,349.17

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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.