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Finding the Fourth Proportional to 133,976.03, 200,702.82 and 74,633.00

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Solution

The fourth proportional to 133,976.03, 200,702.82 and 74,633.00 is: 111,803.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,976.03 : 200,702.82 = 74,633.00 : x
  2. Step 2: Convert to fraction form
    133,976.03/200,702.82 = 74,633.00/x
  3. Step 3: Cross multiply
    133,976.03x = 200,702.82 × 74,633.00
  4. Step 4: Simplify right side
    133,976.03x = 14,979,054,066.82
  5. Step 5: Solve for x
    x = 14,979,054,066.82/133,976.03
  6. Step 6: Final answer
    x = 111,803.98

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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.