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Finding the Fourth Proportional to 200,356, 276,491.28 and 110,937.76

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Solution

The fourth proportional to 200,356, 276,491.28 and 110,937.76 is: 153,094.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,356 : 276,491.28 = 110,937.76 : x
  2. Step 2: Convert to fraction form
    200,356/276,491.28 = 110,937.76/x
  3. Step 3: Cross multiply
    200,356x = 276,491.28 × 110,937.76
  4. Step 4: Simplify right side
    200,356x = 30,673,323,262.73
  5. Step 5: Solve for x
    x = 30,673,323,262.73/200,356
  6. Step 6: Final answer
    x = 153,094.11

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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.