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Finding the Fourth Proportional to 124,026.56, 186,052 and 49,143.68

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Solution

The fourth proportional to 124,026.56, 186,052 and 49,143.68 is: 73,720.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,026.56 : 186,052 = 49,143.68 : x
  2. Step 2: Convert to fraction form
    124,026.56/186,052 = 49,143.68/x
  3. Step 3: Cross multiply
    124,026.56x = 186,052 × 49,143.68
  4. Step 4: Simplify right side
    124,026.56x = 9,143,279,951.36
  5. Step 5: Solve for x
    x = 9,143,279,951.36/124,026.56
  6. Step 6: Final answer
    x = 73,720.34

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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.