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Finding the Fourth Proportional to 243,202.34, 335,632.68 and 135,773.24

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Solution

The fourth proportional to 243,202.34, 335,632.68 and 135,773.24 is: 187,374.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,202.34 : 335,632.68 = 135,773.24 : x
  2. Step 2: Convert to fraction form
    243,202.34/335,632.68 = 135,773.24/x
  3. Step 3: Cross multiply
    243,202.34x = 335,632.68 × 135,773.24
  4. Step 4: Simplify right side
    243,202.34x = 45,569,936,413.48
  5. Step 5: Solve for x
    x = 45,569,936,413.48/243,202.34
  6. Step 6: Final answer
    x = 187,374.58

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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.