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Finding the Fourth Proportional to 235,152.72, 352,487.48 and 92,940.20

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Solution

The fourth proportional to 235,152.72, 352,487.48 and 92,940.20 is: 139,314.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,152.72 : 352,487.48 = 92,940.20 : x
  2. Step 2: Convert to fraction form
    235,152.72/352,487.48 = 92,940.20/x
  3. Step 3: Cross multiply
    235,152.72x = 352,487.48 × 92,940.20
  4. Step 4: Simplify right side
    235,152.72x = 32,760,256,888.70
  5. Step 5: Solve for x
    x = 32,760,256,888.70/235,152.72
  6. Step 6: Final answer
    x = 139,314.81

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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.