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Finding the Fourth Proportional to 132,551.32, 198,857.74 and 43,799.45

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Solution

The fourth proportional to 132,551.32, 198,857.74 and 43,799.45 is: 65,709.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,551.32 : 198,857.74 = 43,799.45 : x
  2. Step 2: Convert to fraction form
    132,551.32/198,857.74 = 43,799.45/x
  3. Step 3: Cross multiply
    132,551.32x = 198,857.74 × 43,799.45
  4. Step 4: Simplify right side
    132,551.32x = 8,709,859,640.24
  5. Step 5: Solve for x
    x = 8,709,859,640.24/132,551.32
  6. Step 6: Final answer
    x = 65,709.34

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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.