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Finding the Fourth Proportional to 248,692.44, 343,248.44 and 146,679.76

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Solution

The fourth proportional to 248,692.44, 343,248.44 and 146,679.76 is: 202,449.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,692.44 : 343,248.44 = 146,679.76 : x
  2. Step 2: Convert to fraction form
    248,692.44/343,248.44 = 146,679.76/x
  3. Step 3: Cross multiply
    248,692.44x = 343,248.44 × 146,679.76
  4. Step 4: Simplify right side
    248,692.44x = 50,347,598,799.57
  5. Step 5: Solve for x
    x = 50,347,598,799.57/248,692.44
  6. Step 6: Final answer
    x = 202,449.25

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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.