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Finding the Fourth Proportional to 123,354.60, 184,899.42 and 53,266.92

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Solution

The fourth proportional to 123,354.60, 184,899.42 and 53,266.92 is: 79,843.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,354.60 : 184,899.42 = 53,266.92 : x
  2. Step 2: Convert to fraction form
    123,354.60/184,899.42 = 53,266.92/x
  3. Step 3: Cross multiply
    123,354.60x = 184,899.42 × 53,266.92
  4. Step 4: Simplify right side
    123,354.60x = 9,849,022,613.19
  5. Step 5: Solve for x
    x = 9,849,022,613.19/123,354.60
  6. Step 6: Final answer
    x = 79,843.17

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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.