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Finding the Fourth Proportional to 219,544.69, 302,963.94 and 124,049.32

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Solution

The fourth proportional to 219,544.69, 302,963.94 and 124,049.32 is: 171,183.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,544.69 : 302,963.94 = 124,049.32 : x
  2. Step 2: Convert to fraction form
    219,544.69/302,963.94 = 124,049.32/x
  3. Step 3: Cross multiply
    219,544.69x = 302,963.94 × 124,049.32
  4. Step 4: Simplify right side
    219,544.69x = 37,582,470,741.52
  5. Step 5: Solve for x
    x = 37,582,470,741.52/219,544.69
  6. Step 6: Final answer
    x = 171,183.69

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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.