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Finding the Fourth Proportional to 185,950.72, 256,610.97 and 105,393.48

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Solution

The fourth proportional to 185,950.72, 256,610.97 and 105,393.48 is: 145,442.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,950.72 : 256,610.97 = 105,393.48 : x
  2. Step 2: Convert to fraction form
    185,950.72/256,610.97 = 105,393.48/x
  3. Step 3: Cross multiply
    185,950.72x = 256,610.97 × 105,393.48
  4. Step 4: Simplify right side
    185,950.72x = 27,045,123,134.48
  5. Step 5: Solve for x
    x = 27,045,123,134.48/185,950.72
  6. Step 6: Final answer
    x = 145,442.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.