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Finding the Fourth Proportional to 104,372, 144,033.36 and 59,660.96

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Solution

The fourth proportional to 104,372, 144,033.36 and 59,660.96 is: 82,332.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,372 : 144,033.36 = 59,660.96 : x
  2. Step 2: Convert to fraction form
    104,372/144,033.36 = 59,660.96/x
  3. Step 3: Cross multiply
    104,372x = 144,033.36 × 59,660.96
  4. Step 4: Simplify right side
    104,372x = 8,593,168,529.63
  5. Step 5: Solve for x
    x = 8,593,168,529.63/104,372
  6. Step 6: Final answer
    x = 82,332.12

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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.