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Finding the Fourth Proportional to 74,002.93, 110,995.16 and 43,625.50

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Solution

The fourth proportional to 74,002.93, 110,995.16 and 43,625.50 is: 65,432.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,002.93 : 110,995.16 = 43,625.50 : x
  2. Step 2: Convert to fraction form
    74,002.93/110,995.16 = 43,625.50/x
  3. Step 3: Cross multiply
    74,002.93x = 110,995.16 × 43,625.50
  4. Step 4: Simplify right side
    74,002.93x = 4,842,219,352.58
  5. Step 5: Solve for x
    x = 4,842,219,352.58/74,002.93
  6. Step 6: Final answer
    x = 65,432.81

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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.