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Finding the Fourth Proportional to 243,994.56, 365,301.60 and 155,027.52

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Solution

The fourth proportional to 243,994.56, 365,301.60 and 155,027.52 is: 232,102.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,994.56 : 365,301.60 = 155,027.52 : x
  2. Step 2: Convert to fraction form
    243,994.56/365,301.60 = 155,027.52/x
  3. Step 3: Cross multiply
    243,994.56x = 365,301.60 × 155,027.52
  4. Step 4: Simplify right side
    243,994.56x = 56,631,801,100.03
  5. Step 5: Solve for x
    x = 56,631,801,100.03/243,994.56
  6. Step 6: Final answer
    x = 232,102.72

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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.