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Finding the Fourth Proportional to 200,606.36, 276,865.12 and 124,150.08

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Solution

The fourth proportional to 200,606.36, 276,865.12 and 124,150.08 is: 171,344.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,606.36 : 276,865.12 = 124,150.08 : x
  2. Step 2: Convert to fraction form
    200,606.36/276,865.12 = 124,150.08/x
  3. Step 3: Cross multiply
    200,606.36x = 276,865.12 × 124,150.08
  4. Step 4: Simplify right side
    200,606.36x = 34,372,827,990.64
  5. Step 5: Solve for x
    x = 34,372,827,990.64/200,606.36
  6. Step 6: Final answer
    x = 171,344.66

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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.