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Finding the Fourth Proportional to 248,527.66, 342,977.88 and 141,107.69

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Solution

The fourth proportional to 248,527.66, 342,977.88 and 141,107.69 is: 194,734.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,527.66 : 342,977.88 = 141,107.69 : x
  2. Step 2: Convert to fraction form
    248,527.66/342,977.88 = 141,107.69/x
  3. Step 3: Cross multiply
    248,527.66x = 342,977.88 × 141,107.69
  4. Step 4: Simplify right side
    248,527.66x = 48,396,816,367.90
  5. Step 5: Solve for x
    x = 48,396,816,367.90/248,527.66
  6. Step 6: Final answer
    x = 194,734.12

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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.