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Finding the Fourth Proportional to 268,690.80, 370,541.58 and 166,732.80

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Solution

The fourth proportional to 268,690.80, 370,541.58 and 166,732.80 is: 229,935.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,690.80 : 370,541.58 = 166,732.80 : x
  2. Step 2: Convert to fraction form
    268,690.80/370,541.58 = 166,732.80/x
  3. Step 3: Cross multiply
    268,690.80x = 370,541.58 × 166,732.80
  4. Step 4: Simplify right side
    268,690.80x = 61,781,435,149.82
  5. Step 5: Solve for x
    x = 61,781,435,149.82/268,690.80
  6. Step 6: Final answer
    x = 229,935.06

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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.