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Finding the Fourth Proportional to 232,353.56, 320,391.79 and 160,609.03

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Solution

The fourth proportional to 232,353.56, 320,391.79 and 160,609.03 is: 221,463.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,353.56 : 320,391.79 = 160,609.03 : x
  2. Step 2: Convert to fraction form
    232,353.56/320,391.79 = 160,609.03/x
  3. Step 3: Cross multiply
    232,353.56x = 320,391.79 × 160,609.03
  4. Step 4: Simplify right side
    232,353.56x = 51,457,813,409.36
  5. Step 5: Solve for x
    x = 51,457,813,409.36/232,353.56
  6. Step 6: Final answer
    x = 221,463.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.