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Finding the Fourth Proportional to 259,240.50, 357,751.89 and 140,008.50

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Solution

The fourth proportional to 259,240.50, 357,751.89 and 140,008.50 is: 193,211.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,240.50 : 357,751.89 = 140,008.50 : x
  2. Step 2: Convert to fraction form
    259,240.50/357,751.89 = 140,008.50/x
  3. Step 3: Cross multiply
    259,240.50x = 357,751.89 × 140,008.50
  4. Step 4: Simplify right side
    259,240.50x = 50,088,305,491.07
  5. Step 5: Solve for x
    x = 50,088,305,491.07/259,240.50
  6. Step 6: Final answer
    x = 193,211.73

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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.