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Finding the Fourth Proportional to 216,995.85, 325,703.84 and 104,754.87

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Solution

The fourth proportional to 216,995.85, 325,703.84 and 104,754.87 is: 157,233.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,995.85 : 325,703.84 = 104,754.87 : x
  2. Step 2: Convert to fraction form
    216,995.85/325,703.84 = 104,754.87/x
  3. Step 3: Cross multiply
    216,995.85x = 325,703.84 × 104,754.87
  4. Step 4: Simplify right side
    216,995.85x = 34,119,062,893.93
  5. Step 5: Solve for x
    x = 34,119,062,893.93/216,995.85
  6. Step 6: Final answer
    x = 157,233.71

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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.