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Finding the Fourth Proportional to 268,652.50, 370,530.57 and 166,620.75

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Solution

The fourth proportional to 268,652.50, 370,530.57 and 166,620.75 is: 229,806.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,652.50 : 370,530.57 = 166,620.75 : x
  2. Step 2: Convert to fraction form
    268,652.50/370,530.57 = 166,620.75/x
  3. Step 3: Cross multiply
    268,652.50x = 370,530.57 × 166,620.75
  4. Step 4: Simplify right side
    268,652.50x = 61,738,081,332.60
  5. Step 5: Solve for x
    x = 61,738,081,332.60/268,652.50
  6. Step 6: Final answer
    x = 229,806.46

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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.