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Finding the Fourth Proportional to 264,412.28, 396,281.46 and 123,861.08

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Solution

The fourth proportional to 264,412.28, 396,281.46 and 123,861.08 is: 185,633.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,412.28 : 396,281.46 = 123,861.08 : x
  2. Step 2: Convert to fraction form
    264,412.28/396,281.46 = 123,861.08/x
  3. Step 3: Cross multiply
    264,412.28x = 396,281.46 × 123,861.08
  4. Step 4: Simplify right side
    264,412.28x = 49,083,849,619.58
  5. Step 5: Solve for x
    x = 49,083,849,619.58/264,412.28
  6. Step 6: Final answer
    x = 185,633.77

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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.