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Finding the Fourth Proportional to 116,232.50, 174,348.75 and 28,680.50

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Solution

The fourth proportional to 116,232.50, 174,348.75 and 28,680.50 is: 43,020.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,232.50 : 174,348.75 = 28,680.50 : x
  2. Step 2: Convert to fraction form
    116,232.50/174,348.75 = 28,680.50/x
  3. Step 3: Cross multiply
    116,232.50x = 174,348.75 × 28,680.50
  4. Step 4: Simplify right side
    116,232.50x = 5,000,409,324.38
  5. Step 5: Solve for x
    x = 5,000,409,324.38/116,232.50
  6. Step 6: Final answer
    x = 43,020.75

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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.