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Finding the Fourth Proportional to 164,451.16, 226,942.60 and 88,999.64

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Solution

The fourth proportional to 164,451.16, 226,942.60 and 88,999.64 is: 122,819.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,451.16 : 226,942.60 = 88,999.64 : x
  2. Step 2: Convert to fraction form
    164,451.16/226,942.60 = 88,999.64/x
  3. Step 3: Cross multiply
    164,451.16x = 226,942.60 × 88,999.64
  4. Step 4: Simplify right side
    164,451.16x = 20,197,809,700.66
  5. Step 5: Solve for x
    x = 20,197,809,700.66/164,451.16
  6. Step 6: Final answer
    x = 122,819.50

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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.