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Finding the Fourth Proportional to 205,647.13, 308,356.08 and 63,452.03

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Solution

The fourth proportional to 205,647.13, 308,356.08 and 63,452.03 is: 95,142.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,647.13 : 308,356.08 = 63,452.03 : x
  2. Step 2: Convert to fraction form
    205,647.13/308,356.08 = 63,452.03/x
  3. Step 3: Cross multiply
    205,647.13x = 308,356.08 × 63,452.03
  4. Step 4: Simplify right side
    205,647.13x = 19,565,819,238.84
  5. Step 5: Solve for x
    x = 19,565,819,238.84/205,647.13
  6. Step 6: Final answer
    x = 95,142.68

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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.