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Finding the Fourth Proportional to 295,640.80, 443,570.55 and 95,967.70

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Solution

The fourth proportional to 295,640.80, 443,570.55 and 95,967.70 is: 143,987.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,640.80 : 443,570.55 = 95,967.70 : x
  2. Step 2: Convert to fraction form
    295,640.80/443,570.55 = 95,967.70/x
  3. Step 3: Cross multiply
    295,640.80x = 443,570.55 × 95,967.70
  4. Step 4: Simplify right side
    295,640.80x = 42,568,445,471.24
  5. Step 5: Solve for x
    x = 42,568,445,471.24/295,640.80
  6. Step 6: Final answer
    x = 143,987.05

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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.