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Finding the Fourth Proportional to 228,683.86, 342,842.63 and 108,680.58

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Solution

The fourth proportional to 228,683.86, 342,842.63 and 108,680.58 is: 162,933.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,683.86 : 342,842.63 = 108,680.58 : x
  2. Step 2: Convert to fraction form
    228,683.86/342,842.63 = 108,680.58/x
  3. Step 3: Cross multiply
    228,683.86x = 342,842.63 × 108,680.58
  4. Step 4: Simplify right side
    228,683.86x = 37,260,335,333.72
  5. Step 5: Solve for x
    x = 37,260,335,333.72/228,683.86
  6. Step 6: Final answer
    x = 162,933.82

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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.