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Finding the Fourth Proportional to 170,851.10, 256,275.30 and 44,491.10

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Solution

The fourth proportional to 170,851.10, 256,275.30 and 44,491.10 is: 66,736.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,851.10 : 256,275.30 = 44,491.10 : x
  2. Step 2: Convert to fraction form
    170,851.10/256,275.30 = 44,491.10/x
  3. Step 3: Cross multiply
    170,851.10x = 256,275.30 × 44,491.10
  4. Step 4: Simplify right side
    170,851.10x = 11,401,969,999.83
  5. Step 5: Solve for x
    x = 11,401,969,999.83/170,851.10
  6. Step 6: Final answer
    x = 66,736.30

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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.