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Finding the Fourth Proportional to 197,796.60, 296,913.60 and 123,001.20

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Solution

The fourth proportional to 197,796.60, 296,913.60 and 123,001.20 is: 184,637.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,796.60 : 296,913.60 = 123,001.20 : x
  2. Step 2: Convert to fraction form
    197,796.60/296,913.60 = 123,001.20/x
  3. Step 3: Cross multiply
    197,796.60x = 296,913.60 × 123,001.20
  4. Step 4: Simplify right side
    197,796.60x = 36,520,729,096.32
  5. Step 5: Solve for x
    x = 36,520,729,096.32/197,796.60
  6. Step 6: Final answer
    x = 184,637.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.