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Finding the Fourth Proportional to 266,654.79, 367,983.65 and 145,796.16

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Solution

The fourth proportional to 266,654.79, 367,983.65 and 145,796.16 is: 201,198.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,654.79 : 367,983.65 = 145,796.16 : x
  2. Step 2: Convert to fraction form
    266,654.79/367,983.65 = 145,796.16/x
  3. Step 3: Cross multiply
    266,654.79x = 367,983.65 × 145,796.16
  4. Step 4: Simplify right side
    266,654.79x = 53,650,602,383.80
  5. Step 5: Solve for x
    x = 53,650,602,383.80/266,654.79
  6. Step 6: Final answer
    x = 201,198.72

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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.