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Finding the Fourth Proportional to 367,189.53, 550,405.35 and 154,081.19

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Solution

The fourth proportional to 367,189.53, 550,405.35 and 154,081.19 is: 230,962.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,189.53 : 550,405.35 = 154,081.19 : x
  2. Step 2: Convert to fraction form
    367,189.53/550,405.35 = 154,081.19/x
  3. Step 3: Cross multiply
    367,189.53x = 550,405.35 × 154,081.19
  4. Step 4: Simplify right side
    367,189.53x = 84,807,108,558.34
  5. Step 5: Solve for x
    x = 84,807,108,558.34/367,189.53
  6. Step 6: Final answer
    x = 230,962.76

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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.