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Finding the Fourth Proportional to 200,483.67, 276,679.08 and 109,839.81

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Solution

The fourth proportional to 200,483.67, 276,679.08 and 109,839.81 is: 151,585.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,483.67 : 276,679.08 = 109,839.81 : x
  2. Step 2: Convert to fraction form
    200,483.67/276,679.08 = 109,839.81/x
  3. Step 3: Cross multiply
    200,483.67x = 276,679.08 × 109,839.81
  4. Step 4: Simplify right side
    200,483.67x = 30,390,377,578.17
  5. Step 5: Solve for x
    x = 30,390,377,578.17/200,483.67
  6. Step 6: Final answer
    x = 151,585.30

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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.