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Finding the Fourth Proportional to 144,927.60, 217,391.40 and 100,604.40

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Solution

The fourth proportional to 144,927.60, 217,391.40 and 100,604.40 is: 150,906.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,927.60 : 217,391.40 = 100,604.40 : x
  2. Step 2: Convert to fraction form
    144,927.60/217,391.40 = 100,604.40/x
  3. Step 3: Cross multiply
    144,927.60x = 217,391.40 × 100,604.40
  4. Step 4: Simplify right side
    144,927.60x = 21,870,531,362.16
  5. Step 5: Solve for x
    x = 21,870,531,362.16/144,927.60
  6. Step 6: Final answer
    x = 150,906.60

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1.5x scale

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.