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Finding the Fourth Proportional to 104,578.70, 144,318.22 and 59,265.32

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Solution

The fourth proportional to 104,578.70, 144,318.22 and 59,265.32 is: 81,785.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,578.70 : 144,318.22 = 59,265.32 : x
  2. Step 2: Convert to fraction form
    104,578.70/144,318.22 = 59,265.32/x
  3. Step 3: Cross multiply
    104,578.70x = 144,318.22 × 59,265.32
  4. Step 4: Simplify right side
    104,578.70x = 8,553,064,620.38
  5. Step 5: Solve for x
    x = 8,553,064,620.38/104,578.70
  6. Step 6: Final answer
    x = 81,785.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.