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Finding the Fourth Proportional to 104,251.93, 143,866.10 and 58,928.32

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Solution

The fourth proportional to 104,251.93, 143,866.10 and 58,928.32 is: 81,320.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,251.93 : 143,866.10 = 58,928.32 : x
  2. Step 2: Convert to fraction form
    104,251.93/143,866.10 = 58,928.32/x
  3. Step 3: Cross multiply
    104,251.93x = 143,866.10 × 58,928.32
  4. Step 4: Simplify right side
    104,251.93x = 8,477,786,764.39
  5. Step 5: Solve for x
    x = 8,477,786,764.39/104,251.93
  6. Step 6: Final answer
    x = 81,320.19

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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.