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Finding the Fourth Proportional to 200,642.52, 276,881.04 and 109,993.80

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Solution

The fourth proportional to 200,642.52, 276,881.04 and 109,993.80 is: 151,788.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,642.52 : 276,881.04 = 109,993.80 : x
  2. Step 2: Convert to fraction form
    200,642.52/276,881.04 = 109,993.80/x
  3. Step 3: Cross multiply
    200,642.52x = 276,881.04 × 109,993.80
  4. Step 4: Simplify right side
    200,642.52x = 30,455,197,737.55
  5. Step 5: Solve for x
    x = 30,455,197,737.55/200,642.52
  6. Step 6: Final answer
    x = 151,788.35

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.