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Finding the Fourth Proportional to 224,313.75, 336,470.54 and 66,540.83

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Solution

The fourth proportional to 224,313.75, 336,470.54 and 66,540.83 is: 99,811.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,313.75 : 336,470.54 = 66,540.83 : x
  2. Step 2: Convert to fraction form
    224,313.75/336,470.54 = 66,540.83/x
  3. Step 3: Cross multiply
    224,313.75x = 336,470.54 × 66,540.83
  4. Step 4: Simplify right side
    224,313.75x = 22,389,026,987.09
  5. Step 5: Solve for x
    x = 22,389,026,987.09/224,313.75
  6. Step 6: Final answer
    x = 99,811.21

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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.