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Finding the Fourth Proportional to 266,053.86, 367,162.12 and 145,202.92

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Solution

The fourth proportional to 266,053.86, 367,162.12 and 145,202.92 is: 200,384.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,053.86 : 367,162.12 = 145,202.92 : x
  2. Step 2: Convert to fraction form
    266,053.86/367,162.12 = 145,202.92/x
  3. Step 3: Cross multiply
    266,053.86x = 367,162.12 × 145,202.92
  4. Step 4: Simplify right side
    266,053.86x = 53,313,011,937.39
  5. Step 5: Solve for x
    x = 53,313,011,937.39/266,053.86
  6. Step 6: Final answer
    x = 200,384.28

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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.