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Finding the Fourth Proportional to 98,577.44, 148,174.80 and 65,058.85

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Solution

The fourth proportional to 98,577.44, 148,174.80 and 65,058.85 is: 97,791.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,577.44 : 148,174.80 = 65,058.85 : x
  2. Step 2: Convert to fraction form
    98,577.44/148,174.80 = 65,058.85/x
  3. Step 3: Cross multiply
    98,577.44x = 148,174.80 × 65,058.85
  4. Step 4: Simplify right side
    98,577.44x = 9,640,082,086.98
  5. Step 5: Solve for x
    x = 9,640,082,086.98/98,577.44
  6. Step 6: Final answer
    x = 97,791.97

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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.