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Finding the Fourth Proportional to 266,060.59, 367,171.31 and 145,209.58

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Solution

The fourth proportional to 266,060.59, 367,171.31 and 145,209.58 is: 200,393.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,060.59 : 367,171.31 = 145,209.58 : x
  2. Step 2: Convert to fraction form
    266,060.59/367,171.31 = 145,209.58/x
  3. Step 3: Cross multiply
    266,060.59x = 367,171.31 × 145,209.58
  4. Step 4: Simplify right side
    266,060.59x = 53,316,791,713.15
  5. Step 5: Solve for x
    x = 53,316,791,713.15/266,060.59
  6. Step 6: Final answer
    x = 200,393.42

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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.