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Finding the Fourth Proportional to 266,151.54, 367,288.96 and 145,292.79

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Solution

The fourth proportional to 266,151.54, 367,288.96 and 145,292.79 is: 200,503.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,151.54 : 367,288.96 = 145,292.79 : x
  2. Step 2: Convert to fraction form
    266,151.54/367,288.96 = 145,292.79/x
  3. Step 3: Cross multiply
    266,151.54x = 367,288.96 × 145,292.79
  4. Step 4: Simplify right side
    266,151.54x = 53,364,437,734.60
  5. Step 5: Solve for x
    x = 53,364,437,734.60/266,151.54
  6. Step 6: Final answer
    x = 200,503.96

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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.