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Finding the Fourth Proportional to 160,604.91, 221,625.50 and 88,980.66

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Solution

The fourth proportional to 160,604.91, 221,625.50 and 88,980.66 is: 122,788.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,604.91 : 221,625.50 = 88,980.66 : x
  2. Step 2: Convert to fraction form
    160,604.91/221,625.50 = 88,980.66/x
  3. Step 3: Cross multiply
    160,604.91x = 221,625.50 × 88,980.66
  4. Step 4: Simplify right side
    160,604.91x = 19,720,382,817.93
  5. Step 5: Solve for x
    x = 19,720,382,817.93/160,604.91
  6. Step 6: Final answer
    x = 122,788.17

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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.