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Finding the Fourth Proportional to 100,917.30, 151,462.35 and 44,843.70

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Solution

The fourth proportional to 100,917.30, 151,462.35 and 44,843.70 is: 67,303.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,917.30 : 151,462.35 = 44,843.70 : x
  2. Step 2: Convert to fraction form
    100,917.30/151,462.35 = 44,843.70/x
  3. Step 3: Cross multiply
    100,917.30x = 151,462.35 × 44,843.70
  4. Step 4: Simplify right side
    100,917.30x = 6,792,132,184.70
  5. Step 5: Solve for x
    x = 6,792,132,184.70/100,917.30
  6. Step 6: Final answer
    x = 67,303.94

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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.