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Finding the Fourth Proportional to 236,245.02, 354,413.16 and 76,363.98

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Solution

The fourth proportional to 236,245.02, 354,413.16 and 76,363.98 is: 114,560.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,245.02 : 354,413.16 = 76,363.98 : x
  2. Step 2: Convert to fraction form
    236,245.02/354,413.16 = 76,363.98/x
  3. Step 3: Cross multiply
    236,245.02x = 354,413.16 × 76,363.98
  4. Step 4: Simplify right side
    236,245.02x = 27,064,399,461.98
  5. Step 5: Solve for x
    x = 27,064,399,461.98/236,245.02
  6. Step 6: Final answer
    x = 114,560.72

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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.