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Finding the Fourth Proportional to 76,800.58, 115,200.95 and 50,622.22

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Solution

The fourth proportional to 76,800.58, 115,200.95 and 50,622.22 is: 75,933.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,800.58 : 115,200.95 = 50,622.22 : x
  2. Step 2: Convert to fraction form
    76,800.58/115,200.95 = 50,622.22/x
  3. Step 3: Cross multiply
    76,800.58x = 115,200.95 × 50,622.22
  4. Step 4: Simplify right side
    76,800.58x = 5,831,727,835.11
  5. Step 5: Solve for x
    x = 5,831,727,835.11/76,800.58
  6. Step 6: Final answer
    x = 75,933.38

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1.5x scale

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.