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Finding the Fourth Proportional to 106,483.68, 159,630.48 and 44,114.40

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Solution

The fourth proportional to 106,483.68, 159,630.48 and 44,114.40 is: 66,132.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,483.68 : 159,630.48 = 44,114.40 : x
  2. Step 2: Convert to fraction form
    106,483.68/159,630.48 = 44,114.40/x
  3. Step 3: Cross multiply
    106,483.68x = 159,630.48 × 44,114.40
  4. Step 4: Simplify right side
    106,483.68x = 7,042,002,846.91
  5. Step 5: Solve for x
    x = 7,042,002,846.91/106,483.68
  6. Step 6: Final answer
    x = 66,132.23

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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.