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Finding the Fourth Proportional to 201,107.32, 277,528.66 and 111,683.32

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Solution

The fourth proportional to 201,107.32, 277,528.66 and 111,683.32 is: 154,123.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,107.32 : 277,528.66 = 111,683.32 : x
  2. Step 2: Convert to fraction form
    201,107.32/277,528.66 = 111,683.32/x
  3. Step 3: Cross multiply
    201,107.32x = 277,528.66 × 111,683.32
  4. Step 4: Simplify right side
    201,107.32x = 30,995,322,143.95
  5. Step 5: Solve for x
    x = 30,995,322,143.95/201,107.32
  6. Step 6: Final answer
    x = 154,123.29

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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.