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Finding the Fourth Proportional to 219,949.32, 303,536.46 and 124,453.97

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Solution

The fourth proportional to 219,949.32, 303,536.46 and 124,453.97 is: 171,750.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,949.32 : 303,536.46 = 124,453.97 : x
  2. Step 2: Convert to fraction form
    219,949.32/303,536.46 = 124,453.97/x
  3. Step 3: Cross multiply
    219,949.32x = 303,536.46 × 124,453.97
  4. Step 4: Simplify right side
    219,949.32x = 37,776,317,574.03
  5. Step 5: Solve for x
    x = 37,776,317,574.03/219,949.32
  6. Step 6: Final answer
    x = 171,750.10

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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.