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Finding the Fourth Proportional to 80,602.85, 111,223.10 and 46,606.19

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Solution

The fourth proportional to 80,602.85, 111,223.10 and 46,606.19 is: 64,311.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,602.85 : 111,223.10 = 46,606.19 : x
  2. Step 2: Convert to fraction form
    80,602.85/111,223.10 = 46,606.19/x
  3. Step 3: Cross multiply
    80,602.85x = 111,223.10 × 46,606.19
  4. Step 4: Simplify right side
    80,602.85x = 5,183,684,942.25
  5. Step 5: Solve for x
    x = 5,183,684,942.25/80,602.85
  6. Step 6: Final answer
    x = 64,311.44

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.