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Finding the Fourth Proportional to 168,972.50, 253,458.76 and 44,313.50

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Solution

The fourth proportional to 168,972.50, 253,458.76 and 44,313.50 is: 66,470.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,972.50 : 253,458.76 = 44,313.50 : x
  2. Step 2: Convert to fraction form
    168,972.50/253,458.76 = 44,313.50/x
  3. Step 3: Cross multiply
    168,972.50x = 253,458.76 × 44,313.50
  4. Step 4: Simplify right side
    168,972.50x = 11,231,644,761.26
  5. Step 5: Solve for x
    x = 11,231,644,761.26/168,972.50
  6. Step 6: Final answer
    x = 66,470.25

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1.5x scale

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.