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Finding the Fourth Proportional to 268,481.52, 370,505.86 and 147,630.59

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Solution

The fourth proportional to 268,481.52, 370,505.86 and 147,630.59 is: 203,730.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,481.52 : 370,505.86 = 147,630.59 : x
  2. Step 2: Convert to fraction form
    268,481.52/370,505.86 = 147,630.59/x
  3. Step 3: Cross multiply
    268,481.52x = 370,505.86 × 147,630.59
  4. Step 4: Simplify right side
    268,481.52x = 54,697,998,710.26
  5. Step 5: Solve for x
    x = 54,697,998,710.26/268,481.52
  6. Step 6: Final answer
    x = 203,730.96

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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.