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Finding the Fourth Proportional to 295,853.20, 443,536.80 and 127,502.80

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Solution

The fourth proportional to 295,853.20, 443,536.80 and 127,502.80 is: 191,149.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,853.20 : 443,536.80 = 127,502.80 : x
  2. Step 2: Convert to fraction form
    295,853.20/443,536.80 = 127,502.80/x
  3. Step 3: Cross multiply
    295,853.20x = 443,536.80 × 127,502.80
  4. Step 4: Simplify right side
    295,853.20x = 56,552,183,903.04
  5. Step 5: Solve for x
    x = 56,552,183,903.04/295,853.20
  6. Step 6: Final answer
    x = 191,149.48

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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.