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Finding the Fourth Proportional to 255,474.20, 352,554.48 and 148,106.48

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Solution

The fourth proportional to 255,474.20, 352,554.48 and 148,106.48 is: 204,386.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,474.20 : 352,554.48 = 148,106.48 : x
  2. Step 2: Convert to fraction form
    255,474.20/352,554.48 = 148,106.48/x
  3. Step 3: Cross multiply
    255,474.20x = 352,554.48 × 148,106.48
  4. Step 4: Simplify right side
    255,474.20x = 52,215,603,041.03
  5. Step 5: Solve for x
    x = 52,215,603,041.03/255,474.20
  6. Step 6: Final answer
    x = 204,386.99

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.