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Finding the Fourth Proportional to 266,836.04, 400,254.08 and 126,518.12

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Solution

The fourth proportional to 266,836.04, 400,254.08 and 126,518.12 is: 189,777.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,836.04 : 400,254.08 = 126,518.12 : x
  2. Step 2: Convert to fraction form
    266,836.04/400,254.08 = 126,518.12/x
  3. Step 3: Cross multiply
    266,836.04x = 400,254.08 × 126,518.12
  4. Step 4: Simplify right side
    266,836.04x = 50,639,393,723.93
  5. Step 5: Solve for x
    x = 50,639,393,723.93/266,836.04
  6. Step 6: Final answer
    x = 189,777.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.