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Finding the Fourth Proportional to 248,499.50, 342,882.32 and 146,556.95

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Solution

The fourth proportional to 248,499.50, 342,882.32 and 146,556.95 is: 202,220.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,499.50 : 342,882.32 = 146,556.95 : x
  2. Step 2: Convert to fraction form
    248,499.50/342,882.32 = 146,556.95/x
  3. Step 3: Cross multiply
    248,499.50x = 342,882.32 × 146,556.95
  4. Step 4: Simplify right side
    248,499.50x = 50,251,784,580.93
  5. Step 5: Solve for x
    x = 50,251,784,580.93/248,499.50
  6. Step 6: Final answer
    x = 202,220.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.