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Finding the Fourth Proportional to 182,987.60, 274,654.20 and 113,003.60

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Solution

The fourth proportional to 182,987.60, 274,654.20 and 113,003.60 is: 169,612.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,987.60 : 274,654.20 = 113,003.60 : x
  2. Step 2: Convert to fraction form
    182,987.60/274,654.20 = 113,003.60/x
  3. Step 3: Cross multiply
    182,987.60x = 274,654.20 × 113,003.60
  4. Step 4: Simplify right side
    182,987.60x = 31,036,913,355.12
  5. Step 5: Solve for x
    x = 31,036,913,355.12/182,987.60
  6. Step 6: Final answer
    x = 169,612.11

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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.