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Finding the Fourth Proportional to 268,810.38, 370,803.84 and 168,033.42

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Solution

The fourth proportional to 268,810.38, 370,803.84 and 168,033.42 is: 231,789.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,810.38 : 370,803.84 = 168,033.42 : x
  2. Step 2: Convert to fraction form
    268,810.38/370,803.84 = 168,033.42/x
  3. Step 3: Cross multiply
    268,810.38x = 370,803.84 × 168,033.42
  4. Step 4: Simplify right side
    268,810.38x = 62,307,437,384.33
  5. Step 5: Solve for x
    x = 62,307,437,384.33/268,810.38
  6. Step 6: Final answer
    x = 231,789.55

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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.