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Finding the Fourth Proportional to 266,480.68, 367,738.84 and 145,619.32

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Solution

The fourth proportional to 266,480.68, 367,738.84 and 145,619.32 is: 200,952.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,480.68 : 367,738.84 = 145,619.32 : x
  2. Step 2: Convert to fraction form
    266,480.68/367,738.84 = 145,619.32/x
  3. Step 3: Cross multiply
    266,480.68x = 367,738.84 × 145,619.32
  4. Step 4: Simplify right side
    266,480.68x = 53,549,879,818.39
  5. Step 5: Solve for x
    x = 53,549,879,818.39/266,480.68
  6. Step 6: Final answer
    x = 200,952.20

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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.