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Finding the Fourth Proportional to 159,667.88, 220,343.15 and 88,050.38

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Solution

The fourth proportional to 159,667.88, 220,343.15 and 88,050.38 is: 121,510.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,667.88 : 220,343.15 = 88,050.38 : x
  2. Step 2: Convert to fraction form
    159,667.88/220,343.15 = 88,050.38/x
  3. Step 3: Cross multiply
    159,667.88x = 220,343.15 × 88,050.38
  4. Step 4: Simplify right side
    159,667.88x = 19,401,297,206.31
  5. Step 5: Solve for x
    x = 19,401,297,206.31/159,667.88
  6. Step 6: Final answer
    x = 121,510.34

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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.