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Finding the Fourth Proportional to 268,687.80, 370,537.44 and 166,729.80

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Solution

The fourth proportional to 268,687.80, 370,537.44 and 166,729.80 is: 229,930.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,687.80 : 370,537.44 = 166,729.80 : x
  2. Step 2: Convert to fraction form
    268,687.80/370,537.44 = 166,729.80/x
  3. Step 3: Cross multiply
    268,687.80x = 370,537.44 × 166,729.80
  4. Step 4: Simplify right side
    268,687.80x = 61,779,633,263.71
  5. Step 5: Solve for x
    x = 61,779,633,263.71/268,687.80
  6. Step 6: Final answer
    x = 229,930.92

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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.