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Finding the Fourth Proportional to 109,054.83, 150,481.04 and 61,298.67

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Solution

The fourth proportional to 109,054.83, 150,481.04 and 61,298.67 is: 84,583.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,054.83 : 150,481.04 = 61,298.67 : x
  2. Step 2: Convert to fraction form
    109,054.83/150,481.04 = 61,298.67/x
  3. Step 3: Cross multiply
    109,054.83x = 150,481.04 × 61,298.67
  4. Step 4: Simplify right side
    109,054.83x = 9,224,287,305.72
  5. Step 5: Solve for x
    x = 9,224,287,305.72/109,054.83
  6. Step 6: Final answer
    x = 84,583.94

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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.