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Finding the Fourth Proportional to 365,799.18, 548,751.35 and 113,099.38

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Solution

The fourth proportional to 365,799.18, 548,751.35 and 113,099.38 is: 169,665.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,799.18 : 548,751.35 = 113,099.38 : x
  2. Step 2: Convert to fraction form
    365,799.18/548,751.35 = 113,099.38/x
  3. Step 3: Cross multiply
    365,799.18x = 548,751.35 × 113,099.38
  4. Step 4: Simplify right side
    365,799.18x = 62,063,435,521.79
  5. Step 5: Solve for x
    x = 62,063,435,521.79/365,799.18
  6. Step 6: Final answer
    x = 169,665.32

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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.