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Finding the Fourth Proportional to 104,104, 143,663.52 and 59,391.04

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Solution

The fourth proportional to 104,104, 143,663.52 and 59,391.04 is: 81,959.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,104 : 143,663.52 = 59,391.04 : x
  2. Step 2: Convert to fraction form
    104,104/143,663.52 = 59,391.04/x
  3. Step 3: Cross multiply
    104,104x = 143,663.52 × 59,391.04
  4. Step 4: Simplify right side
    104,104x = 8,532,325,862.86
  5. Step 5: Solve for x
    x = 8,532,325,862.86/104,104
  6. Step 6: Final answer
    x = 81,959.64

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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.