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Finding the Fourth Proportional to 81,296.49, 112,186.30 and 44,998.01

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Solution

The fourth proportional to 81,296.49, 112,186.30 and 44,998.01 is: 62,095.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,296.49 : 112,186.30 = 44,998.01 : x
  2. Step 2: Convert to fraction form
    81,296.49/112,186.30 = 44,998.01/x
  3. Step 3: Cross multiply
    81,296.49x = 112,186.30 × 44,998.01
  4. Step 4: Simplify right side
    81,296.49x = 5,048,159,912.16
  5. Step 5: Solve for x
    x = 5,048,159,912.16/81,296.49
  6. Step 6: Final answer
    x = 62,095.67

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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.