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Finding the Fourth Proportional to 240,641.96, 361,317.74 and 134,233.79

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Solution

The fourth proportional to 240,641.96, 361,317.74 and 134,233.79 is: 201,548.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,641.96 : 361,317.74 = 134,233.79 : x
  2. Step 2: Convert to fraction form
    240,641.96/361,317.74 = 134,233.79/x
  3. Step 3: Cross multiply
    240,641.96x = 361,317.74 × 134,233.79
  4. Step 4: Simplify right side
    240,641.96x = 48,501,047,156.68
  5. Step 5: Solve for x
    x = 48,501,047,156.68/240,641.96
  6. Step 6: Final answer
    x = 201,548.59

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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.