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Finding the Fourth Proportional to 248,854.33, 343,404.17 and 141,409.45

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Solution

The fourth proportional to 248,854.33, 343,404.17 and 141,409.45 is: 195,136.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,854.33 : 343,404.17 = 141,409.45 : x
  2. Step 2: Convert to fraction form
    248,854.33/343,404.17 = 141,409.45/x
  3. Step 3: Cross multiply
    248,854.33x = 343,404.17 × 141,409.45
  4. Step 4: Simplify right side
    248,854.33x = 48,560,594,807.41
  5. Step 5: Solve for x
    x = 48,560,594,807.41/248,854.33
  6. Step 6: Final answer
    x = 195,136.63

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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.