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Finding the Fourth Proportional to 201,345.60, 277,840.38 and 118,546.42

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Solution

The fourth proportional to 201,345.60, 277,840.38 and 118,546.42 is: 163,584.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,345.60 : 277,840.38 = 118,546.42 : x
  2. Step 2: Convert to fraction form
    201,345.60/277,840.38 = 118,546.42/x
  3. Step 3: Cross multiply
    201,345.60x = 277,840.38 × 118,546.42
  4. Step 4: Simplify right side
    201,345.60x = 32,936,982,130.39
  5. Step 5: Solve for x
    x = 32,936,982,130.39/201,345.60
  6. Step 6: Final answer
    x = 163,584.32

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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.