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Finding the Fourth Proportional to 104,967.87, 144,855.68 and 59,645.89

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Solution

The fourth proportional to 104,967.87, 144,855.68 and 59,645.89 is: 82,311.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,967.87 : 144,855.68 = 59,645.89 : x
  2. Step 2: Convert to fraction form
    104,967.87/144,855.68 = 59,645.89/x
  3. Step 3: Cross multiply
    104,967.87x = 144,855.68 × 59,645.89
  4. Step 4: Simplify right side
    104,967.87x = 8,640,045,955.16
  5. Step 5: Solve for x
    x = 8,640,045,955.16/104,967.87
  6. Step 6: Final answer
    x = 82,311.34

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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.