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Finding the Fourth Proportional to 143,337.75, 214,998.12 and 43,498.77

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Solution

The fourth proportional to 143,337.75, 214,998.12 and 43,498.77 is: 65,245.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,337.75 : 214,998.12 = 43,498.77 : x
  2. Step 2: Convert to fraction form
    143,337.75/214,998.12 = 43,498.77/x
  3. Step 3: Cross multiply
    143,337.75x = 214,998.12 × 43,498.77
  4. Step 4: Simplify right side
    143,337.75x = 9,352,153,772.31
  5. Step 5: Solve for x
    x = 9,352,153,772.31/143,337.75
  6. Step 6: Final answer
    x = 65,245.57

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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.