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Finding the Fourth Proportional to 146,313.50, 219,470.79 and 35,505.50

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Solution

The fourth proportional to 146,313.50, 219,470.79 and 35,505.50 is: 53,258.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,313.50 : 219,470.79 = 35,505.50 : x
  2. Step 2: Convert to fraction form
    146,313.50/219,470.79 = 35,505.50/x
  3. Step 3: Cross multiply
    146,313.50x = 219,470.79 × 35,505.50
  4. Step 4: Simplify right side
    146,313.50x = 7,792,420,134.35
  5. Step 5: Solve for x
    x = 7,792,420,134.35/146,313.50
  6. Step 6: Final answer
    x = 53,258.38

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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.