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Finding the Fourth Proportional to 259,360.73, 357,910.67 and 144,642.86

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Solution

The fourth proportional to 259,360.73, 357,910.67 and 144,642.86 is: 199,603.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,360.73 : 357,910.67 = 144,642.86 : x
  2. Step 2: Convert to fraction form
    259,360.73/357,910.67 = 144,642.86/x
  3. Step 3: Cross multiply
    259,360.73x = 357,910.67 × 144,642.86
  4. Step 4: Simplify right side
    259,360.73x = 51,769,221,505.37
  5. Step 5: Solve for x
    x = 51,769,221,505.37/259,360.73
  6. Step 6: Final answer
    x = 199,603.16

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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.