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Finding the Fourth Proportional to 124,806.56, 187,284.02 and 45,976.14

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Solution

The fourth proportional to 124,806.56, 187,284.02 and 45,976.14 is: 68,991.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,806.56 : 187,284.02 = 45,976.14 : x
  2. Step 2: Convert to fraction form
    124,806.56/187,284.02 = 45,976.14/x
  3. Step 3: Cross multiply
    124,806.56x = 187,284.02 × 45,976.14
  4. Step 4: Simplify right side
    124,806.56x = 8,610,596,093.40
  5. Step 5: Solve for x
    x = 8,610,596,093.40/124,806.56
  6. Step 6: Final answer
    x = 68,991.54

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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.