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Finding the Fourth Proportional to 268,656.41, 370,736.69 and 147,796.62

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Solution

The fourth proportional to 268,656.41, 370,736.69 and 147,796.62 is: 203,954.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,656.41 : 370,736.69 = 147,796.62 : x
  2. Step 2: Convert to fraction form
    268,656.41/370,736.69 = 147,796.62/x
  3. Step 3: Cross multiply
    268,656.41x = 370,736.69 × 147,796.62
  4. Step 4: Simplify right side
    268,656.41x = 54,793,628,953.00
  5. Step 5: Solve for x
    x = 54,793,628,953.00/268,656.41
  6. Step 6: Final answer
    x = 203,954.30

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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.