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Finding the Fourth Proportional to 315,100.08, 472,741.68 and 101,863.44

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Solution

The fourth proportional to 315,100.08, 472,741.68 and 101,863.44 is: 152,824.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,100.08 : 472,741.68 = 101,863.44 : x
  2. Step 2: Convert to fraction form
    315,100.08/472,741.68 = 101,863.44/x
  3. Step 3: Cross multiply
    315,100.08x = 472,741.68 × 101,863.44
  4. Step 4: Simplify right side
    315,100.08x = 48,155,093,756.18
  5. Step 5: Solve for x
    x = 48,155,093,756.18/315,100.08
  6. Step 6: Final answer
    x = 152,824.76

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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.