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Finding the Fourth Proportional to 158,696.82, 218,985.66 and 95,032.98

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Solution

The fourth proportional to 158,696.82, 218,985.66 and 95,032.98 is: 131,135.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,696.82 : 218,985.66 = 95,032.98 : x
  2. Step 2: Convert to fraction form
    158,696.82/218,985.66 = 95,032.98/x
  3. Step 3: Cross multiply
    158,696.82x = 218,985.66 × 95,032.98
  4. Step 4: Simplify right side
    158,696.82x = 20,810,859,847.07
  5. Step 5: Solve for x
    x = 20,810,859,847.07/158,696.82
  6. Step 6: Final answer
    x = 131,135.96

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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.