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Finding the Fourth Proportional to 201,105.94, 277,330.88 and 135,838.30

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Solution

The fourth proportional to 201,105.94, 277,330.88 and 135,838.30 is: 187,324.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,105.94 : 277,330.88 = 135,838.30 : x
  2. Step 2: Convert to fraction form
    201,105.94/277,330.88 = 135,838.30/x
  3. Step 3: Cross multiply
    201,105.94x = 277,330.88 × 135,838.30
  4. Step 4: Simplify right side
    201,105.94x = 37,672,155,276.70
  5. Step 5: Solve for x
    x = 37,672,155,276.70/201,105.94
  6. Step 6: Final answer
    x = 187,324.93

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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.