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Finding the Fourth Proportional to 200,580.48, 276,804.09 and 109,935.72

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Solution

The fourth proportional to 200,580.48, 276,804.09 and 109,935.72 is: 151,712.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,580.48 : 276,804.09 = 109,935.72 : x
  2. Step 2: Convert to fraction form
    200,580.48/276,804.09 = 109,935.72/x
  3. Step 3: Cross multiply
    200,580.48x = 276,804.09 × 109,935.72
  4. Step 4: Simplify right side
    200,580.48x = 30,430,656,933.09
  5. Step 5: Solve for x
    x = 30,430,656,933.09/200,580.48
  6. Step 6: Final answer
    x = 151,712.95

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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.