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Finding the Fourth Proportional to 200,681.37, 301,068.14 and 67,558.07

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Solution

The fourth proportional to 200,681.37, 301,068.14 and 67,558.07 is: 101,352.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,681.37 : 301,068.14 = 67,558.07 : x
  2. Step 2: Convert to fraction form
    200,681.37/301,068.14 = 67,558.07/x
  3. Step 3: Cross multiply
    200,681.37x = 301,068.14 × 67,558.07
  4. Step 4: Simplify right side
    200,681.37x = 20,339,582,891.77
  5. Step 5: Solve for x
    x = 20,339,582,891.77/200,681.37
  6. Step 6: Final answer
    x = 101,352.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.