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Finding the Fourth Proportional to 253,745.91, 350,180.75 and 140,561.37

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Solution

The fourth proportional to 253,745.91, 350,180.75 and 140,561.37 is: 193,981.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,745.91 : 350,180.75 = 140,561.37 : x
  2. Step 2: Convert to fraction form
    253,745.91/350,180.75 = 140,561.37/x
  3. Step 3: Cross multiply
    253,745.91x = 350,180.75 × 140,561.37
  4. Step 4: Simplify right side
    253,745.91x = 49,221,885,264.82
  5. Step 5: Solve for x
    x = 49,221,885,264.82/253,745.91
  6. Step 6: Final answer
    x = 193,981.00

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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.