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Finding the Fourth Proportional to 184,622.40, 276,350.40 and 144,964.80

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Solution

The fourth proportional to 184,622.40, 276,350.40 and 144,964.80 is: 216,989.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,622.40 : 276,350.40 = 144,964.80 : x
  2. Step 2: Convert to fraction form
    184,622.40/276,350.40 = 144,964.80/x
  3. Step 3: Cross multiply
    184,622.40x = 276,350.40 × 144,964.80
  4. Step 4: Simplify right side
    184,622.40x = 40,061,080,465.92
  5. Step 5: Solve for x
    x = 40,061,080,465.92/184,622.40
  6. Step 6: Final answer
    x = 216,989.27

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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.