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Finding the Fourth Proportional to 201,442.90, 277,991.34 and 110,805.76

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Solution

The fourth proportional to 201,442.90, 277,991.34 and 110,805.76 is: 152,912.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,442.90 : 277,991.34 = 110,805.76 : x
  2. Step 2: Convert to fraction form
    201,442.90/277,991.34 = 110,805.76/x
  3. Step 3: Cross multiply
    201,442.90x = 277,991.34 × 110,805.76
  4. Step 4: Simplify right side
    201,442.90x = 30,803,041,702.12
  5. Step 5: Solve for x
    x = 30,803,041,702.12/201,442.90
  6. Step 6: Final answer
    x = 152,912.02

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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.