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Finding the Fourth Proportional to 133,154.67, 183,745.99 and 75,807.95

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Solution

The fourth proportional to 133,154.67, 183,745.99 and 75,807.95 is: 104,610.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,154.67 : 183,745.99 = 75,807.95 : x
  2. Step 2: Convert to fraction form
    133,154.67/183,745.99 = 75,807.95/x
  3. Step 3: Cross multiply
    133,154.67x = 183,745.99 × 75,807.95
  4. Step 4: Simplify right side
    133,154.67x = 13,929,407,092.47
  5. Step 5: Solve for x
    x = 13,929,407,092.47/133,154.67
  6. Step 6: Final answer
    x = 104,610.73

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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.