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Finding the Fourth Proportional to 95,800.42, 143,700.53 and 45,187.63

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Solution

The fourth proportional to 95,800.42, 143,700.53 and 45,187.63 is: 67,781.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,800.42 : 143,700.53 = 45,187.63 : x
  2. Step 2: Convert to fraction form
    95,800.42/143,700.53 = 45,187.63/x
  3. Step 3: Cross multiply
    95,800.42x = 143,700.53 × 45,187.63
  4. Step 4: Simplify right side
    95,800.42x = 6,493,486,380.44
  5. Step 5: Solve for x
    x = 6,493,486,380.44/95,800.42
  6. Step 6: Final answer
    x = 67,781.40

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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.