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Finding the Fourth Proportional to 201,103.32, 277,523.14 and 111,679.32

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Solution

The fourth proportional to 201,103.32, 277,523.14 and 111,679.32 is: 154,117.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,103.32 : 277,523.14 = 111,679.32 : x
  2. Step 2: Convert to fraction form
    201,103.32/277,523.14 = 111,679.32/x
  3. Step 3: Cross multiply
    201,103.32x = 277,523.14 × 111,679.32
  4. Step 4: Simplify right side
    201,103.32x = 30,993,595,559.46
  5. Step 5: Solve for x
    x = 30,993,595,559.46/201,103.32
  6. Step 6: Final answer
    x = 154,117.77

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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.