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Finding the Fourth Proportional to 201,794.07, 278,488.46 and 111,150.01

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Solution

The fourth proportional to 201,794.07, 278,488.46 and 111,150.01 is: 153,393.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,794.07 : 278,488.46 = 111,150.01 : x
  2. Step 2: Convert to fraction form
    201,794.07/278,488.46 = 111,150.01/x
  3. Step 3: Cross multiply
    201,794.07x = 278,488.46 × 111,150.01
  4. Step 4: Simplify right side
    201,794.07x = 30,953,993,861.91
  5. Step 5: Solve for x
    x = 30,953,993,861.91/201,794.07
  6. Step 6: Final answer
    x = 153,393.97

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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.