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Finding the Fourth Proportional to 266,797.79, 368,173.13 and 145,936.48

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Solution

The fourth proportional to 266,797.79, 368,173.13 and 145,936.48 is: 201,388.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,797.79 : 368,173.13 = 145,936.48 : x
  2. Step 2: Convert to fraction form
    266,797.79/368,173.13 = 145,936.48/x
  3. Step 3: Cross multiply
    266,797.79x = 368,173.13 × 145,936.48
  4. Step 4: Simplify right side
    266,797.79x = 53,729,888,781.92
  5. Step 5: Solve for x
    x = 53,729,888,781.92/266,797.79
  6. Step 6: Final answer
    x = 201,388.06

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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.