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Finding the Fourth Proportional to 255,899.67, 353,139.57 and 141,183.14

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Solution

The fourth proportional to 255,899.67, 353,139.57 and 141,183.14 is: 194,831.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,899.67 : 353,139.57 = 141,183.14 : x
  2. Step 2: Convert to fraction form
    255,899.67/353,139.57 = 141,183.14/x
  3. Step 3: Cross multiply
    255,899.67x = 353,139.57 × 141,183.14
  4. Step 4: Simplify right side
    255,899.67x = 49,857,354,145.69
  5. Step 5: Solve for x
    x = 49,857,354,145.69/255,899.67
  6. Step 6: Final answer
    x = 194,831.65

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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.