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Finding the Fourth Proportional to 131,999.29, 198,014.29 and 47,799.11

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Solution

The fourth proportional to 131,999.29, 198,014.29 and 47,799.11 is: 71,704.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,999.29 : 198,014.29 = 47,799.11 : x
  2. Step 2: Convert to fraction form
    131,999.29/198,014.29 = 47,799.11/x
  3. Step 3: Cross multiply
    131,999.29x = 198,014.29 × 47,799.11
  4. Step 4: Simplify right side
    131,999.29x = 9,464,907,204.82
  5. Step 5: Solve for x
    x = 9,464,907,204.82/131,999.29
  6. Step 6: Final answer
    x = 71,704.23

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1.5x scale

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.