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Finding the Fourth Proportional to 248,896.53, 343,503.52 and 152,157.02

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Solution

The fourth proportional to 248,896.53, 343,503.52 and 152,157.02 is: 209,992.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,896.53 : 343,503.52 = 152,157.02 : x
  2. Step 2: Convert to fraction form
    248,896.53/343,503.52 = 152,157.02/x
  3. Step 3: Cross multiply
    248,896.53x = 343,503.52 × 152,157.02
  4. Step 4: Simplify right side
    248,896.53x = 52,266,469,864.80
  5. Step 5: Solve for x
    x = 52,266,469,864.80/248,896.53
  6. Step 6: Final answer
    x = 209,992.76

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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.