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Finding the Fourth Proportional to 248,953.50, 343,554.26 and 141,523.53

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Solution

The fourth proportional to 248,953.50, 343,554.26 and 141,523.53 is: 195,301.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,953.50 : 343,554.26 = 141,523.53 : x
  2. Step 2: Convert to fraction form
    248,953.50/343,554.26 = 141,523.53/x
  3. Step 3: Cross multiply
    248,953.50x = 343,554.26 × 141,523.53
  4. Step 4: Simplify right side
    248,953.50x = 48,621,012,202.45
  5. Step 5: Solve for x
    x = 48,621,012,202.45/248,953.50
  6. Step 6: Final answer
    x = 195,301.58

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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.