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Finding the Fourth Proportional to 269,474.55, 371,866.85 and 148,615.76

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Solution

The fourth proportional to 269,474.55, 371,866.85 and 148,615.76 is: 205,085.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,474.55 : 371,866.85 = 148,615.76 : x
  2. Step 2: Convert to fraction form
    269,474.55/371,866.85 = 148,615.76/x
  3. Step 3: Cross multiply
    269,474.55x = 371,866.85 × 148,615.76
  4. Step 4: Simplify right side
    269,474.55x = 55,265,275,275.45
  5. Step 5: Solve for x
    x = 55,265,275,275.45/269,474.55
  6. Step 6: Final answer
    x = 205,085.33

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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.