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Finding the Fourth Proportional to 248,399.87, 342,836.55 and 146,419.29

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Solution

The fourth proportional to 248,399.87, 342,836.55 and 146,419.29 is: 202,084.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,399.87 : 342,836.55 = 146,419.29 : x
  2. Step 2: Convert to fraction form
    248,399.87/342,836.55 = 146,419.29/x
  3. Step 3: Cross multiply
    248,399.87x = 342,836.55 × 146,419.29
  4. Step 4: Simplify right side
    248,399.87x = 50,197,884,237.05
  5. Step 5: Solve for x
    x = 50,197,884,237.05/248,399.87
  6. Step 6: Final answer
    x = 202,084.99

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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.