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Finding the Fourth Proportional to 89,992.08, 134,971.52 and 33,053.54

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Solution

The fourth proportional to 89,992.08, 134,971.52 and 33,053.54 is: 49,574.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,992.08 : 134,971.52 = 33,053.54 : x
  2. Step 2: Convert to fraction form
    89,992.08/134,971.52 = 33,053.54/x
  3. Step 3: Cross multiply
    89,992.08x = 134,971.52 × 33,053.54
  4. Step 4: Simplify right side
    89,992.08x = 4,461,285,695.06
  5. Step 5: Solve for x
    x = 4,461,285,695.06/89,992.08
  6. Step 6: Final answer
    x = 49,574.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.