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Finding the Fourth Proportional to 252,462.61, 348,419.22 and 143,601.04

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Solution

The fourth proportional to 252,462.61, 348,419.22 and 143,601.04 is: 198,181.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,462.61 : 348,419.22 = 143,601.04 : x
  2. Step 2: Convert to fraction form
    252,462.61/348,419.22 = 143,601.04/x
  3. Step 3: Cross multiply
    252,462.61x = 348,419.22 × 143,601.04
  4. Step 4: Simplify right side
    252,462.61x = 50,033,362,347.99
  5. Step 5: Solve for x
    x = 50,033,362,347.99/252,462.61
  6. Step 6: Final answer
    x = 198,181.28

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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.