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Finding the Fourth Proportional to 104,490.77, 144,200.12 and 61,473.29

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Solution

The fourth proportional to 104,490.77, 144,200.12 and 61,473.29 is: 84,834.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,490.77 : 144,200.12 = 61,473.29 : x
  2. Step 2: Convert to fraction form
    104,490.77/144,200.12 = 61,473.29/x
  3. Step 3: Cross multiply
    104,490.77x = 144,200.12 × 61,473.29
  4. Step 4: Simplify right side
    104,490.77x = 8,864,454,766.43
  5. Step 5: Solve for x
    x = 8,864,454,766.43/104,490.77
  6. Step 6: Final answer
    x = 84,834.82

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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.