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Finding the Fourth Proportional to 117,802.97, 176,761.22 and 58,643.85

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Solution

The fourth proportional to 117,802.97, 176,761.22 and 58,643.85 is: 87,994.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,802.97 : 176,761.22 = 58,643.85 : x
  2. Step 2: Convert to fraction form
    117,802.97/176,761.22 = 58,643.85/x
  3. Step 3: Cross multiply
    117,802.97x = 176,761.22 × 58,643.85
  4. Step 4: Simplify right side
    117,802.97x = 10,365,958,178.28
  5. Step 5: Solve for x
    x = 10,365,958,178.28/117,802.97
  6. Step 6: Final answer
    x = 87,994.03

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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.