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Finding the Fourth Proportional to 113,114.50, 169,555.10 and 50,828.74

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Solution

The fourth proportional to 113,114.50, 169,555.10 and 50,828.74 is: 76,190.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,114.50 : 169,555.10 = 50,828.74 : x
  2. Step 2: Convert to fraction form
    113,114.50/169,555.10 = 50,828.74/x
  3. Step 3: Cross multiply
    113,114.50x = 169,555.10 × 50,828.74
  4. Step 4: Simplify right side
    113,114.50x = 8,618,271,415.54
  5. Step 5: Solve for x
    x = 8,618,271,415.54/113,114.50
  6. Step 6: Final answer
    x = 76,190.69

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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.