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Finding the Fourth Proportional to 71,847.98, 107,746.02 and 30,298.22

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Solution

The fourth proportional to 71,847.98, 107,746.02 and 30,298.22 is: 45,436.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,847.98 : 107,746.02 = 30,298.22 : x
  2. Step 2: Convert to fraction form
    71,847.98/107,746.02 = 30,298.22/x
  3. Step 3: Cross multiply
    71,847.98x = 107,746.02 × 30,298.22
  4. Step 4: Simplify right side
    71,847.98x = 3,264,512,618.08
  5. Step 5: Solve for x
    x = 3,264,512,618.08/71,847.98
  6. Step 6: Final answer
    x = 45,436.39

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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.