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Finding the Fourth Proportional to 248,969.70, 343,545.75 and 141,537.42

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Solution

The fourth proportional to 248,969.70, 343,545.75 and 141,537.42 is: 195,303.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,969.70 : 343,545.75 = 141,537.42 : x
  2. Step 2: Convert to fraction form
    248,969.70/343,545.75 = 141,537.42/x
  3. Step 3: Cross multiply
    248,969.70x = 343,545.75 × 141,537.42
  4. Step 4: Simplify right side
    248,969.70x = 48,624,579,106.97
  5. Step 5: Solve for x
    x = 48,624,579,106.97/248,969.70
  6. Step 6: Final answer
    x = 195,303.20

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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.