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Finding the Fourth Proportional to 255,110.01, 352,028.94 and 147,687.30

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Solution

The fourth proportional to 255,110.01, 352,028.94 and 147,687.30 is: 203,795.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,110.01 : 352,028.94 = 147,687.30 : x
  2. Step 2: Convert to fraction form
    255,110.01/352,028.94 = 147,687.30/x
  3. Step 3: Cross multiply
    255,110.01x = 352,028.94 × 147,687.30
  4. Step 4: Simplify right side
    255,110.01x = 51,990,203,116.63
  5. Step 5: Solve for x
    x = 51,990,203,116.63/255,110.01
  6. Step 6: Final answer
    x = 203,795.23

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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.