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Finding the Fourth Proportional to 201,154.41, 301,731.57 and 51,394.98

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Solution

The fourth proportional to 201,154.41, 301,731.57 and 51,394.98 is: 77,092.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,154.41 : 301,731.57 = 51,394.98 : x
  2. Step 2: Convert to fraction form
    201,154.41/301,731.57 = 51,394.98/x
  3. Step 3: Cross multiply
    201,154.41x = 301,731.57 × 51,394.98
  4. Step 4: Simplify right side
    201,154.41x = 15,507,488,005.52
  5. Step 5: Solve for x
    x = 15,507,488,005.52/201,154.41
  6. Step 6: Final answer
    x = 77,092.46

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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.