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Finding the Fourth Proportional to 161,663.85, 223,096.48 and 93,693.92

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Solution

The fourth proportional to 161,663.85, 223,096.48 and 93,693.92 is: 129,297.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,663.85 : 223,096.48 = 93,693.92 : x
  2. Step 2: Convert to fraction form
    161,663.85/223,096.48 = 93,693.92/x
  3. Step 3: Cross multiply
    161,663.85x = 223,096.48 × 93,693.92
  4. Step 4: Simplify right side
    161,663.85x = 20,902,782,399.68
  5. Step 5: Solve for x
    x = 20,902,782,399.68/161,663.85
  6. Step 6: Final answer
    x = 129,297.81

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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.