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Finding the Fourth Proportional to 201,015.55, 277,399.52 and 110,370.72

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Solution

The fourth proportional to 201,015.55, 277,399.52 and 110,370.72 is: 152,310.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,015.55 : 277,399.52 = 110,370.72 : x
  2. Step 2: Convert to fraction form
    201,015.55/277,399.52 = 110,370.72/x
  3. Step 3: Cross multiply
    201,015.55x = 277,399.52 × 110,370.72
  4. Step 4: Simplify right side
    201,015.55x = 30,616,785,652.34
  5. Step 5: Solve for x
    x = 30,616,785,652.34/201,015.55
  6. Step 6: Final answer
    x = 152,310.54

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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.