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Finding the Fourth Proportional to 268,806.89, 370,799.01 and 168,029.93

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Solution

The fourth proportional to 268,806.89, 370,799.01 and 168,029.93 is: 231,784.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,806.89 : 370,799.01 = 168,029.93 : x
  2. Step 2: Convert to fraction form
    268,806.89/370,799.01 = 168,029.93/x
  3. Step 3: Cross multiply
    268,806.89x = 370,799.01 × 168,029.93
  4. Step 4: Simplify right side
    268,806.89x = 62,305,329,840.37
  5. Step 5: Solve for x
    x = 62,305,329,840.37/268,806.89
  6. Step 6: Final answer
    x = 231,784.72

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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.