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Finding the Fourth Proportional to 248,963.79, 343,599.06 and 141,549.90

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Solution

The fourth proportional to 248,963.79, 343,599.06 and 141,549.90 is: 195,355.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,963.79 : 343,599.06 = 141,549.90 : x
  2. Step 2: Convert to fraction form
    248,963.79/343,599.06 = 141,549.90/x
  3. Step 3: Cross multiply
    248,963.79x = 343,599.06 × 141,549.90
  4. Step 4: Simplify right side
    248,963.79x = 48,636,412,583.09
  5. Step 5: Solve for x
    x = 48,636,412,583.09/248,963.79
  6. Step 6: Final answer
    x = 195,355.37

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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.