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Finding the Fourth Proportional to 269,646.57, 372,261.42 and 162,243

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Solution

The fourth proportional to 269,646.57, 372,261.42 and 162,243 is: 223,985.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,646.57 : 372,261.42 = 162,243 : x
  2. Step 2: Convert to fraction form
    269,646.57/372,261.42 = 162,243/x
  3. Step 3: Cross multiply
    269,646.57x = 372,261.42 × 162,243
  4. Step 4: Simplify right side
    269,646.57x = 60,396,809,565.06
  5. Step 5: Solve for x
    x = 60,396,809,565.06/269,646.57
  6. Step 6: Final answer
    x = 223,985.08

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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.