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Finding the Fourth Proportional to 201,159.78, 277,628.52 and 134,208.42

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Solution

The fourth proportional to 201,159.78, 277,628.52 and 134,208.42 is: 185,226.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,159.78 : 277,628.52 = 134,208.42 : x
  2. Step 2: Convert to fraction form
    201,159.78/277,628.52 = 134,208.42/x
  3. Step 3: Cross multiply
    201,159.78x = 277,628.52 × 134,208.42
  4. Step 4: Simplify right side
    201,159.78x = 37,260,085,016.14
  5. Step 5: Solve for x
    x = 37,260,085,016.14/201,159.78
  6. Step 6: Final answer
    x = 185,226.32

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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.