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Finding the Fourth Proportional to 75,513.37, 104,054.89 and 58,413.76

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Solution

The fourth proportional to 75,513.37, 104,054.89 and 58,413.76 is: 80,492.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,513.37 : 104,054.89 = 58,413.76 : x
  2. Step 2: Convert to fraction form
    75,513.37/104,054.89 = 58,413.76/x
  3. Step 3: Cross multiply
    75,513.37x = 104,054.89 × 58,413.76
  4. Step 4: Simplify right side
    75,513.37x = 6,078,237,371.29
  5. Step 5: Solve for x
    x = 6,078,237,371.29/75,513.37
  6. Step 6: Final answer
    x = 80,492.20

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.