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Finding the Fourth Proportional to 255,220.02, 352,223.94 and 147,791.92

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Solution

The fourth proportional to 255,220.02, 352,223.94 and 147,791.92 is: 203,964.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,220.02 : 352,223.94 = 147,791.92 : x
  2. Step 2: Convert to fraction form
    255,220.02/352,223.94 = 147,791.92/x
  3. Step 3: Cross multiply
    255,220.02x = 352,223.94 × 147,791.92
  4. Step 4: Simplify right side
    255,220.02x = 52,055,852,362.56
  5. Step 5: Solve for x
    x = 52,055,852,362.56/255,220.02
  6. Step 6: Final answer
    x = 203,964.61

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1.5x scale

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.