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Finding the Fourth Proportional to 143,400.90, 214,906.95 and 95,880.90

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Solution

The fourth proportional to 143,400.90, 214,906.95 and 95,880.90 is: 143,691.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,400.90 : 214,906.95 = 95,880.90 : x
  2. Step 2: Convert to fraction form
    143,400.90/214,906.95 = 95,880.90/x
  3. Step 3: Cross multiply
    143,400.90x = 214,906.95 × 95,880.90
  4. Step 4: Simplify right side
    143,400.90x = 20,605,471,782.26
  5. Step 5: Solve for x
    x = 20,605,471,782.26/143,400.90
  6. Step 6: Final answer
    x = 143,691.37

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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.