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Finding the Fourth Proportional to 200,548.84, 276,745.38 and 109,886.76

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Solution

The fourth proportional to 200,548.84, 276,745.38 and 109,886.76 is: 151,637.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,548.84 : 276,745.38 = 109,886.76 : x
  2. Step 2: Convert to fraction form
    200,548.84/276,745.38 = 109,886.76/x
  3. Step 3: Cross multiply
    200,548.84x = 276,745.38 × 109,886.76
  4. Step 4: Simplify right side
    200,548.84x = 30,410,653,153.17
  5. Step 5: Solve for x
    x = 30,410,653,153.17/200,548.84
  6. Step 6: Final answer
    x = 151,637.14

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1.5x scale

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.