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Finding the Fourth Proportional to 201,104.02, 277,512.72 and 115,064.68

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Solution

The fourth proportional to 201,104.02, 277,512.72 and 115,064.68 is: 158,783.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,104.02 : 277,512.72 = 115,064.68 : x
  2. Step 2: Convert to fraction form
    201,104.02/277,512.72 = 115,064.68/x
  3. Step 3: Cross multiply
    201,104.02x = 277,512.72 × 115,064.68
  4. Step 4: Simplify right side
    201,104.02x = 31,931,912,322.73
  5. Step 5: Solve for x
    x = 31,931,912,322.73/201,104.02
  6. Step 6: Final answer
    x = 158,783.06

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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.