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Finding the Fourth Proportional to 200,379, 276,523.02 and 110,955

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Solution

The fourth proportional to 200,379, 276,523.02 and 110,955 is: 153,117.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,379 : 276,523.02 = 110,955 : x
  2. Step 2: Convert to fraction form
    200,379/276,523.02 = 110,955/x
  3. Step 3: Cross multiply
    200,379x = 276,523.02 × 110,955
  4. Step 4: Simplify right side
    200,379x = 30,681,611,684.10
  5. Step 5: Solve for x
    x = 30,681,611,684.10/200,379
  6. Step 6: Final answer
    x = 153,117.90

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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.