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Finding the Fourth Proportional to 107,484.78, 161,291.98 and 37,413.30

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Solution

The fourth proportional to 107,484.78, 161,291.98 and 37,413.30 is: 56,142.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,484.78 : 161,291.98 = 37,413.30 : x
  2. Step 2: Convert to fraction form
    107,484.78/161,291.98 = 37,413.30/x
  3. Step 3: Cross multiply
    107,484.78x = 161,291.98 × 37,413.30
  4. Step 4: Simplify right side
    107,484.78x = 6,034,465,235.33
  5. Step 5: Solve for x
    x = 6,034,465,235.33/107,484.78
  6. Step 6: Final answer
    x = 56,142.51

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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.