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Finding the Fourth Proportional to 201,139.96, 277,542.32 and 116,240.64

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Solution

The fourth proportional to 201,139.96, 277,542.32 and 116,240.64 is: 160,394.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,139.96 : 277,542.32 = 116,240.64 : x
  2. Step 2: Convert to fraction form
    201,139.96/277,542.32 = 116,240.64/x
  3. Step 3: Cross multiply
    201,139.96x = 277,542.32 × 116,240.64
  4. Step 4: Simplify right side
    201,139.96x = 32,261,696,903.88
  5. Step 5: Solve for x
    x = 32,261,696,903.88/201,139.96
  6. Step 6: Final answer
    x = 160,394.27

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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.