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Finding the Fourth Proportional to 367,784.77, 551,676.19 and 97,912.92

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Solution

The fourth proportional to 367,784.77, 551,676.19 and 97,912.92 is: 146,869.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,784.77 : 551,676.19 = 97,912.92 : x
  2. Step 2: Convert to fraction form
    367,784.77/551,676.19 = 97,912.92/x
  3. Step 3: Cross multiply
    367,784.77x = 551,676.19 × 97,912.92
  4. Step 4: Simplify right side
    367,784.77x = 54,016,226,657.37
  5. Step 5: Solve for x
    x = 54,016,226,657.37/367,784.77
  6. Step 6: Final answer
    x = 146,869.12

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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.