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Finding the Fourth Proportional to 248,957.43, 343,559.67 and 141,527.49

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Solution

The fourth proportional to 248,957.43, 343,559.67 and 141,527.49 is: 195,307.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,957.43 : 343,559.67 = 141,527.49 : x
  2. Step 2: Convert to fraction form
    248,957.43/343,559.67 = 141,527.49/x
  3. Step 3: Cross multiply
    248,957.43x = 343,559.67 × 141,527.49
  4. Step 4: Simplify right side
    248,957.43x = 48,623,137,760.33
  5. Step 5: Solve for x
    x = 48,623,137,760.33/248,957.43
  6. Step 6: Final answer
    x = 195,307.04

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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.