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Finding the Fourth Proportional to 104,670.85, 144,441.36 and 59,351.88

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Solution

The fourth proportional to 104,670.85, 144,441.36 and 59,351.88 is: 81,903.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,670.85 : 144,441.36 = 59,351.88 : x
  2. Step 2: Convert to fraction form
    104,670.85/144,441.36 = 59,351.88/x
  3. Step 3: Cross multiply
    104,670.85x = 144,441.36 × 59,351.88
  4. Step 4: Simplify right side
    104,670.85x = 8,572,866,042.20
  5. Step 5: Solve for x
    x = 8,572,866,042.20/104,670.85
  6. Step 6: Final answer
    x = 81,903.09

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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.