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Finding the Fourth Proportional to 266,141.16, 367,187.58 and 189,672.30

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Solution

The fourth proportional to 266,141.16, 367,187.58 and 189,672.30 is: 261,685.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,141.16 : 367,187.58 = 189,672.30 : x
  2. Step 2: Convert to fraction form
    266,141.16/367,187.58 = 189,672.30/x
  3. Step 3: Cross multiply
    266,141.16x = 367,187.58 × 189,672.30
  4. Step 4: Simplify right side
    266,141.16x = 69,645,312,830.03
  5. Step 5: Solve for x
    x = 69,645,312,830.03/266,141.16
  6. Step 6: Final answer
    x = 261,685.61

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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.