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Finding the Fourth Proportional to 75,246.46, 112,206.50 and 74,571.94

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Solution

The fourth proportional to 75,246.46, 112,206.50 and 74,571.94 is: 111,200.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,246.46 : 112,206.50 = 74,571.94 : x
  2. Step 2: Convert to fraction form
    75,246.46/112,206.50 = 74,571.94/x
  3. Step 3: Cross multiply
    75,246.46x = 112,206.50 × 74,571.94
  4. Step 4: Simplify right side
    75,246.46x = 8,367,455,917.79
  5. Step 5: Solve for x
    x = 8,367,455,917.79/75,246.46
  6. Step 6: Final answer
    x = 111,200.66

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.