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Finding the Fourth Proportional to 181,413.82, 250,354.08 and 99,745.52

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Solution

The fourth proportional to 181,413.82, 250,354.08 and 99,745.52 is: 137,650.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,413.82 : 250,354.08 = 99,745.52 : x
  2. Step 2: Convert to fraction form
    181,413.82/250,354.08 = 99,745.52/x
  3. Step 3: Cross multiply
    181,413.82x = 250,354.08 × 99,745.52
  4. Step 4: Simplify right side
    181,413.82x = 24,971,697,893.72
  5. Step 5: Solve for x
    x = 24,971,697,893.72/181,413.82
  6. Step 6: Final answer
    x = 137,650.47

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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.