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Finding the Fourth Proportional to 201,091.01, 277,494.76 and 115,051.69

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Solution

The fourth proportional to 201,091.01, 277,494.76 and 115,051.69 is: 158,765.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,091.01 : 277,494.76 = 115,051.69 : x
  2. Step 2: Convert to fraction form
    201,091.01/277,494.76 = 115,051.69/x
  3. Step 3: Cross multiply
    201,091.01x = 277,494.76 × 115,051.69
  4. Step 4: Simplify right side
    201,091.01x = 31,926,241,594.83
  5. Step 5: Solve for x
    x = 31,926,241,594.83/201,091.01
  6. Step 6: Final answer
    x = 158,765.14

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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.