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Finding the Fourth Proportional to 157,297.41, 235,959.72 and 43,445.25

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Solution

The fourth proportional to 157,297.41, 235,959.72 and 43,445.25 is: 65,171.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,297.41 : 235,959.72 = 43,445.25 : x
  2. Step 2: Convert to fraction form
    157,297.41/235,959.72 = 43,445.25/x
  3. Step 3: Cross multiply
    157,297.41x = 235,959.72 × 43,445.25
  4. Step 4: Simplify right side
    157,297.41x = 10,251,329,025.33
  5. Step 5: Solve for x
    x = 10,251,329,025.33/157,297.41
  6. Step 6: Final answer
    x = 65,171.63

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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.