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Finding the Fourth Proportional to 268,308.40, 370,045.80 and 166,262.96

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Solution

The fourth proportional to 268,308.40, 370,045.80 and 166,262.96 is: 229,306.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,308.40 : 370,045.80 = 166,262.96 : x
  2. Step 2: Convert to fraction form
    268,308.40/370,045.80 = 166,262.96/x
  3. Step 3: Cross multiply
    268,308.40x = 370,045.80 × 166,262.96
  4. Step 4: Simplify right side
    268,308.40x = 61,524,910,043.57
  5. Step 5: Solve for x
    x = 61,524,910,043.57/268,308.40
  6. Step 6: Final answer
    x = 229,306.69

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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.