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Finding the Fourth Proportional to 75,274.65, 103,849.37 and 43,437.39

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Solution

The fourth proportional to 75,274.65, 103,849.37 and 43,437.39 is: 59,926.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,274.65 : 103,849.37 = 43,437.39 : x
  2. Step 2: Convert to fraction form
    75,274.65/103,849.37 = 43,437.39/x
  3. Step 3: Cross multiply
    75,274.65x = 103,849.37 × 43,437.39
  4. Step 4: Simplify right side
    75,274.65x = 4,510,945,585.94
  5. Step 5: Solve for x
    x = 4,510,945,585.94/75,274.65
  6. Step 6: Final answer
    x = 59,926.49

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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.