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Finding the Fourth Proportional to 96,672.22, 145,006.12 and 56,943.22

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Solution

The fourth proportional to 96,672.22, 145,006.12 and 56,943.22 is: 85,413.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,672.22 : 145,006.12 = 56,943.22 : x
  2. Step 2: Convert to fraction form
    96,672.22/145,006.12 = 56,943.22/x
  3. Step 3: Cross multiply
    96,672.22x = 145,006.12 × 56,943.22
  4. Step 4: Simplify right side
    96,672.22x = 8,257,115,392.51
  5. Step 5: Solve for x
    x = 8,257,115,392.51/96,672.22
  6. Step 6: Final answer
    x = 85,413.53

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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.