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Finding the Fourth Proportional to 266,058.59, 367,168.55 and 145,207.58

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Solution

The fourth proportional to 266,058.59, 367,168.55 and 145,207.58 is: 200,390.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,058.59 : 367,168.55 = 145,207.58 : x
  2. Step 2: Convert to fraction form
    266,058.59/367,168.55 = 145,207.58/x
  3. Step 3: Cross multiply
    266,058.59x = 367,168.55 × 145,207.58
  4. Step 4: Simplify right side
    266,058.59x = 53,315,654,035.73
  5. Step 5: Solve for x
    x = 53,315,654,035.73/266,058.59
  6. Step 6: Final answer
    x = 200,390.65

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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.