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Finding the Fourth Proportional to 295,892.28, 443,904.03 and 85,514.22

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Solution

The fourth proportional to 295,892.28, 443,904.03 and 85,514.22 is: 128,290.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,892.28 : 443,904.03 = 85,514.22 : x
  2. Step 2: Convert to fraction form
    295,892.28/443,904.03 = 85,514.22/x
  3. Step 3: Cross multiply
    295,892.28x = 443,904.03 × 85,514.22
  4. Step 4: Simplify right side
    295,892.28x = 37,960,106,880.31
  5. Step 5: Solve for x
    x = 37,960,106,880.31/295,892.28
  6. Step 6: Final answer
    x = 128,290.29

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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.