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Finding the Fourth Proportional to 157,121.60, 216,936.27 and 147,083.27

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Solution

The fourth proportional to 157,121.60, 216,936.27 and 147,083.27 is: 203,076.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,121.60 : 216,936.27 = 147,083.27 : x
  2. Step 2: Convert to fraction form
    157,121.60/216,936.27 = 147,083.27/x
  3. Step 3: Cross multiply
    157,121.60x = 216,936.27 × 147,083.27
  4. Step 4: Simplify right side
    157,121.60x = 31,907,694,888.52
  5. Step 5: Solve for x
    x = 31,907,694,888.52/157,121.60
  6. Step 6: Final answer
    x = 203,076.44

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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.