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Finding the Fourth Proportional to 201,017.76, 277,409.79 and 110,379.57

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Solution

The fourth proportional to 201,017.76, 277,409.79 and 110,379.57 is: 152,326.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,017.76 : 277,409.79 = 110,379.57 : x
  2. Step 2: Convert to fraction form
    201,017.76/277,409.79 = 110,379.57/x
  3. Step 3: Cross multiply
    201,017.76x = 277,409.79 × 110,379.57
  4. Step 4: Simplify right side
    201,017.76x = 30,620,373,333.99
  5. Step 5: Solve for x
    x = 30,620,373,333.99/201,017.76
  6. Step 6: Final answer
    x = 152,326.71

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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.