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Finding the Fourth Proportional to 266,085.52, 367,190.94 and 145,228.30

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Solution

The fourth proportional to 266,085.52, 367,190.94 and 145,228.30 is: 200,411.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,085.52 : 367,190.94 = 145,228.30 : x
  2. Step 2: Convert to fraction form
    266,085.52/367,190.94 = 145,228.30/x
  3. Step 3: Cross multiply
    266,085.52x = 367,190.94 × 145,228.30
  4. Step 4: Simplify right side
    266,085.52x = 53,326,515,991.60
  5. Step 5: Solve for x
    x = 53,326,515,991.60/266,085.52
  6. Step 6: Final answer
    x = 200,411.19

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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.