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Finding the Fourth Proportional to 163,995.96, 226,303.02 and 96,915

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Solution

The fourth proportional to 163,995.96, 226,303.02 and 96,915 is: 133,735.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,995.96 : 226,303.02 = 96,915 : x
  2. Step 2: Convert to fraction form
    163,995.96/226,303.02 = 96,915/x
  3. Step 3: Cross multiply
    163,995.96x = 226,303.02 × 96,915
  4. Step 4: Simplify right side
    163,995.96x = 21,932,157,183.30
  5. Step 5: Solve for x
    x = 21,932,157,183.30/163,995.96
  6. Step 6: Final answer
    x = 133,735.96

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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.