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Finding the Fourth Proportional to 106,168.79, 159,277.79 and 36,048.11

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Solution

The fourth proportional to 106,168.79, 159,277.79 and 36,048.11 is: 54,080.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,168.79 : 159,277.79 = 36,048.11 : x
  2. Step 2: Convert to fraction form
    106,168.79/159,277.79 = 36,048.11/x
  3. Step 3: Cross multiply
    106,168.79x = 159,277.79 × 36,048.11
  4. Step 4: Simplify right side
    106,168.79x = 5,741,662,588.21
  5. Step 5: Solve for x
    x = 5,741,662,588.21/106,168.79
  6. Step 6: Final answer
    x = 54,080.51

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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.