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Finding the Fourth Proportional to 247,216.68, 370,860.48 and 76,451.67

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Solution

The fourth proportional to 247,216.68, 370,860.48 and 76,451.67 is: 114,688.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,216.68 : 370,860.48 = 76,451.67 : x
  2. Step 2: Convert to fraction form
    247,216.68/370,860.48 = 76,451.67/x
  3. Step 3: Cross multiply
    247,216.68x = 370,860.48 × 76,451.67
  4. Step 4: Simplify right side
    247,216.68x = 28,352,903,033.00
  5. Step 5: Solve for x
    x = 28,352,903,033.00/247,216.68
  6. Step 6: Final answer
    x = 114,688.47

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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.