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Finding the Fourth Proportional to 151,810.80, 227,716.20 and 147,436.80

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Solution

The fourth proportional to 151,810.80, 227,716.20 and 147,436.80 is: 221,155.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,810.80 : 227,716.20 = 147,436.80 : x
  2. Step 2: Convert to fraction form
    151,810.80/227,716.20 = 147,436.80/x
  3. Step 3: Cross multiply
    151,810.80x = 227,716.20 × 147,436.80
  4. Step 4: Simplify right side
    151,810.80x = 33,573,747,836.16
  5. Step 5: Solve for x
    x = 33,573,747,836.16/151,810.80
  6. Step 6: Final answer
    x = 221,155.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.