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Finding the Fourth Proportional to 269,361, 371,697.40 and 148,501.92

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Solution

The fourth proportional to 269,361, 371,697.40 and 148,501.92 is: 204,921.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,361 : 371,697.40 = 148,501.92 : x
  2. Step 2: Convert to fraction form
    269,361/371,697.40 = 148,501.92/x
  3. Step 3: Cross multiply
    269,361x = 371,697.40 × 148,501.92
  4. Step 4: Simplify right side
    269,361x = 55,197,777,559.01
  5. Step 5: Solve for x
    x = 55,197,777,559.01/269,361
  6. Step 6: Final answer
    x = 204,921.19

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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.