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Finding the Fourth Proportional to 75,168.66, 103,733.94 and 41,176.56

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Solution

The fourth proportional to 75,168.66, 103,733.94 and 41,176.56 is: 56,824.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,168.66 : 103,733.94 = 41,176.56 : x
  2. Step 2: Convert to fraction form
    75,168.66/103,733.94 = 41,176.56/x
  3. Step 3: Cross multiply
    75,168.66x = 103,733.94 × 41,176.56
  4. Step 4: Simplify right side
    75,168.66x = 4,271,406,804.45
  5. Step 5: Solve for x
    x = 4,271,406,804.45/75,168.66
  6. Step 6: Final answer
    x = 56,824.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.