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Finding the Fourth Proportional to 73,358.10, 110,037.15 and 68,400.90

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Solution

The fourth proportional to 73,358.10, 110,037.15 and 68,400.90 is: 102,601.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,358.10 : 110,037.15 = 68,400.90 : x
  2. Step 2: Convert to fraction form
    73,358.10/110,037.15 = 68,400.90/x
  3. Step 3: Cross multiply
    73,358.10x = 110,037.15 × 68,400.90
  4. Step 4: Simplify right side
    73,358.10x = 7,526,640,093.44
  5. Step 5: Solve for x
    x = 7,526,640,093.44/73,358.10
  6. Step 6: Final answer
    x = 102,601.35

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1.5x scale

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.