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Finding the Fourth Proportional to 266,203.77, 367,350.71 and 145,350.15

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Solution

The fourth proportional to 266,203.77, 367,350.71 and 145,350.15 is: 200,577.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,203.77 : 367,350.71 = 145,350.15 : x
  2. Step 2: Convert to fraction form
    266,203.77/367,350.71 = 145,350.15/x
  3. Step 3: Cross multiply
    266,203.77x = 367,350.71 × 145,350.15
  4. Step 4: Simplify right side
    266,203.77x = 53,394,480,074.36
  5. Step 5: Solve for x
    x = 53,394,480,074.36/266,203.77
  6. Step 6: Final answer
    x = 200,577.48

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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.