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Finding the Fourth Proportional to 104,427.50, 144,101.84 and 61,408.67

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Solution

The fourth proportional to 104,427.50, 144,101.84 and 61,408.67 is: 84,739.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,427.50 : 144,101.84 = 61,408.67 : x
  2. Step 2: Convert to fraction form
    104,427.50/144,101.84 = 61,408.67/x
  3. Step 3: Cross multiply
    104,427.50x = 144,101.84 × 61,408.67
  4. Step 4: Simplify right side
    104,427.50x = 8,849,101,311.40
  5. Step 5: Solve for x
    x = 8,849,101,311.40/104,427.50
  6. Step 6: Final answer
    x = 84,739.19

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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.