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Finding the Fourth Proportional to 268,684.89, 370,785.11 and 147,823.59

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Solution

The fourth proportional to 268,684.89, 370,785.11 and 147,823.59 is: 203,996.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,684.89 : 370,785.11 = 147,823.59 : x
  2. Step 2: Convert to fraction form
    268,684.89/370,785.11 = 147,823.59/x
  3. Step 3: Cross multiply
    268,684.89x = 370,785.11 × 147,823.59
  4. Step 4: Simplify right side
    268,684.89x = 54,810,785,339.63
  5. Step 5: Solve for x
    x = 54,810,785,339.63/268,684.89
  6. Step 6: Final answer
    x = 203,996.53

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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.