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Finding the Fourth Proportional to 201,010.11, 301,660.56 and 74,667.93

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Solution

The fourth proportional to 201,010.11, 301,660.56 and 74,667.93 is: 112,055.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,010.11 : 301,660.56 = 74,667.93 : x
  2. Step 2: Convert to fraction form
    201,010.11/301,660.56 = 74,667.93/x
  3. Step 3: Cross multiply
    201,010.11x = 301,660.56 × 74,667.93
  4. Step 4: Simplify right side
    201,010.11x = 22,524,369,577.84
  5. Step 5: Solve for x
    x = 22,524,369,577.84/201,010.11
  6. Step 6: Final answer
    x = 112,055.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.