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Finding the Fourth Proportional to 106,574.80, 159,752.04 and 39,967.96

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Solution

The fourth proportional to 106,574.80, 159,752.04 and 39,967.96 is: 59,910.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,574.80 : 159,752.04 = 39,967.96 : x
  2. Step 2: Convert to fraction form
    106,574.80/159,752.04 = 39,967.96/x
  3. Step 3: Cross multiply
    106,574.80x = 159,752.04 × 39,967.96
  4. Step 4: Simplify right side
    106,574.80x = 6,384,963,144.64
  5. Step 5: Solve for x
    x = 6,384,963,144.64/106,574.80
  6. Step 6: Final answer
    x = 59,910.63

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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.