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Finding the Fourth Proportional to 86,604.64, 119,448.21 and 59,792.02

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Solution

The fourth proportional to 86,604.64, 119,448.21 and 59,792.02 is: 82,467.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,604.64 : 119,448.21 = 59,792.02 : x
  2. Step 2: Convert to fraction form
    86,604.64/119,448.21 = 59,792.02/x
  3. Step 3: Cross multiply
    86,604.64x = 119,448.21 × 59,792.02
  4. Step 4: Simplify right side
    86,604.64x = 7,142,049,761.28
  5. Step 5: Solve for x
    x = 7,142,049,761.28/86,604.64
  6. Step 6: Final answer
    x = 82,467.29

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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.