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Finding the Fourth Proportional to 209,697.62, 314,556.80 and 59,959.94

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Solution

The fourth proportional to 209,697.62, 314,556.80 and 59,959.94 is: 89,942.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,697.62 : 314,556.80 = 59,959.94 : x
  2. Step 2: Convert to fraction form
    209,697.62/314,556.80 = 59,959.94/x
  3. Step 3: Cross multiply
    209,697.62x = 314,556.80 × 59,959.94
  4. Step 4: Simplify right side
    209,697.62x = 18,860,804,982.01
  5. Step 5: Solve for x
    x = 18,860,804,982.01/209,697.62
  6. Step 6: Final answer
    x = 89,942.87

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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.