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Finding the Fourth Proportional to 75,756.69, 104,510.64 and 45,524.46

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Solution

The fourth proportional to 75,756.69, 104,510.64 and 45,524.46 is: 62,803.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,756.69 : 104,510.64 = 45,524.46 : x
  2. Step 2: Convert to fraction form
    75,756.69/104,510.64 = 45,524.46/x
  3. Step 3: Cross multiply
    75,756.69x = 104,510.64 × 45,524.46
  4. Step 4: Simplify right side
    75,756.69x = 4,757,790,450.25
  5. Step 5: Solve for x
    x = 4,757,790,450.25/75,756.69
  6. Step 6: Final answer
    x = 62,803.57

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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.