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Finding the Fourth Proportional to 164,219.50, 226,622.91 and 88,768

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Solution

The fourth proportional to 164,219.50, 226,622.91 and 88,768 is: 122,499.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,219.50 : 226,622.91 = 88,768 : x
  2. Step 2: Convert to fraction form
    164,219.50/226,622.91 = 88,768/x
  3. Step 3: Cross multiply
    164,219.50x = 226,622.91 × 88,768
  4. Step 4: Simplify right side
    164,219.50x = 20,116,862,474.88
  5. Step 5: Solve for x
    x = 20,116,862,474.88/164,219.50
  6. Step 6: Final answer
    x = 122,499.84

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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.