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Finding the Fourth Proportional to 248,607.62, 343,062.36 and 146,609.70

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Solution

The fourth proportional to 248,607.62, 343,062.36 and 146,609.70 is: 202,311.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,607.62 : 343,062.36 = 146,609.70 : x
  2. Step 2: Convert to fraction form
    248,607.62/343,062.36 = 146,609.70/x
  3. Step 3: Cross multiply
    248,607.62x = 343,062.36 × 146,609.70
  4. Step 4: Simplify right side
    248,607.62x = 50,296,271,701.34
  5. Step 5: Solve for x
    x = 50,296,271,701.34/248,607.62
  6. Step 6: Final answer
    x = 202,311.87

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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.