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Finding the Fourth Proportional to 266,015.52, 367,102.46 and 145,159.30

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Solution

The fourth proportional to 266,015.52, 367,102.46 and 145,159.30 is: 200,320.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,015.52 : 367,102.46 = 145,159.30 : x
  2. Step 2: Convert to fraction form
    266,015.52/367,102.46 = 145,159.30/x
  3. Step 3: Cross multiply
    266,015.52x = 367,102.46 × 145,159.30
  4. Step 4: Simplify right side
    266,015.52x = 53,288,336,121.88
  5. Step 5: Solve for x
    x = 53,288,336,121.88/266,015.52
  6. Step 6: Final answer
    x = 200,320.40

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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.