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Finding the Fourth Proportional to 235,491.44, 353,249.34 and 77,732.24

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Solution

The fourth proportional to 235,491.44, 353,249.34 and 77,732.24 is: 116,602.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,491.44 : 353,249.34 = 77,732.24 : x
  2. Step 2: Convert to fraction form
    235,491.44/353,249.34 = 77,732.24/x
  3. Step 3: Cross multiply
    235,491.44x = 353,249.34 × 77,732.24
  4. Step 4: Simplify right side
    235,491.44x = 27,458,862,476.72
  5. Step 5: Solve for x
    x = 27,458,862,476.72/235,491.44
  6. Step 6: Final answer
    x = 116,602.38

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1.5x scale

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.