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Finding the Fourth Proportional to 200,663.41, 301,026.26 and 67,533.28

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Solution

The fourth proportional to 200,663.41, 301,026.26 and 67,533.28 is: 101,310.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,663.41 : 301,026.26 = 67,533.28 : x
  2. Step 2: Convert to fraction form
    200,663.41/301,026.26 = 67,533.28/x
  3. Step 3: Cross multiply
    200,663.41x = 301,026.26 × 67,533.28
  4. Step 4: Simplify right side
    200,663.41x = 20,329,290,703.93
  5. Step 5: Solve for x
    x = 20,329,290,703.93/200,663.41
  6. Step 6: Final answer
    x = 101,310.40

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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.