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Finding the Fourth Proportional to 73,115.40, 109,673.10 and 41,622.60

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Solution

The fourth proportional to 73,115.40, 109,673.10 and 41,622.60 is: 62,433.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,115.40 : 109,673.10 = 41,622.60 : x
  2. Step 2: Convert to fraction form
    73,115.40/109,673.10 = 41,622.60/x
  3. Step 3: Cross multiply
    73,115.40x = 109,673.10 × 41,622.60
  4. Step 4: Simplify right side
    73,115.40x = 4,564,879,572.06
  5. Step 5: Solve for x
    x = 4,564,879,572.06/73,115.40
  6. Step 6: Final answer
    x = 62,433.90

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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.