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Finding the Fourth Proportional to 255,474.56, 352,554.98 and 148,106.97

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Solution

The fourth proportional to 255,474.56, 352,554.98 and 148,106.97 is: 204,387.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,474.56 : 352,554.98 = 148,106.97 : x
  2. Step 2: Convert to fraction form
    255,474.56/352,554.98 = 148,106.97/x
  3. Step 3: Cross multiply
    255,474.56x = 352,554.98 × 148,106.97
  4. Step 4: Simplify right side
    255,474.56x = 52,215,849,105.68
  5. Step 5: Solve for x
    x = 52,215,849,105.68/255,474.56
  6. Step 6: Final answer
    x = 204,387.67

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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.