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Finding the Fourth Proportional to 106,310.60, 159,465.90 and 101,126.60

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Solution

The fourth proportional to 106,310.60, 159,465.90 and 101,126.60 is: 151,689.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,310.60 : 159,465.90 = 101,126.60 : x
  2. Step 2: Convert to fraction form
    106,310.60/159,465.90 = 101,126.60/x
  3. Step 3: Cross multiply
    106,310.60x = 159,465.90 × 101,126.60
  4. Step 4: Simplify right side
    106,310.60x = 16,126,244,282.94
  5. Step 5: Solve for x
    x = 16,126,244,282.94/106,310.60
  6. Step 6: Final answer
    x = 151,689.90

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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.