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Finding the Fourth Proportional to 255,960.29, 353,247.53 and 141,249.71

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Solution

The fourth proportional to 255,960.29, 353,247.53 and 141,249.71 is: 194,936.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,960.29 : 353,247.53 = 141,249.71 : x
  2. Step 2: Convert to fraction form
    255,960.29/353,247.53 = 141,249.71/x
  3. Step 3: Cross multiply
    255,960.29x = 353,247.53 × 141,249.71
  4. Step 4: Simplify right side
    255,960.29x = 49,896,108,698.23
  5. Step 5: Solve for x
    x = 49,896,108,698.23/255,960.29
  6. Step 6: Final answer
    x = 194,936.92

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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.