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Finding the Fourth Proportional to 105,607.06, 158,413.02 and 35,486.98

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Solution

The fourth proportional to 105,607.06, 158,413.02 and 35,486.98 is: 53,231.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,607.06 : 158,413.02 = 35,486.98 : x
  2. Step 2: Convert to fraction form
    105,607.06/158,413.02 = 35,486.98/x
  3. Step 3: Cross multiply
    105,607.06x = 158,413.02 × 35,486.98
  4. Step 4: Simplify right side
    105,607.06x = 5,621,599,672.48
  5. Step 5: Solve for x
    x = 5,621,599,672.48/105,607.06
  6. Step 6: Final answer
    x = 53,231.29

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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.