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Finding the Fourth Proportional to 143,179.71, 214,770.14 and 48,410.40

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Solution

The fourth proportional to 143,179.71, 214,770.14 and 48,410.40 is: 72,615.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,179.71 : 214,770.14 = 48,410.40 : x
  2. Step 2: Convert to fraction form
    143,179.71/214,770.14 = 48,410.40/x
  3. Step 3: Cross multiply
    143,179.71x = 214,770.14 × 48,410.40
  4. Step 4: Simplify right side
    143,179.71x = 10,397,108,385.46
  5. Step 5: Solve for x
    x = 10,397,108,385.46/143,179.71
  6. Step 6: Final answer
    x = 72,615.79

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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.