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Finding the Fourth Proportional to 79,880.63, 119,800.40 and 23,707.43

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Solution

The fourth proportional to 79,880.63, 119,800.40 and 23,707.43 is: 35,555.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,880.63 : 119,800.40 = 23,707.43 : x
  2. Step 2: Convert to fraction form
    79,880.63/119,800.40 = 23,707.43/x
  3. Step 3: Cross multiply
    79,880.63x = 119,800.40 × 23,707.43
  4. Step 4: Simplify right side
    79,880.63x = 2,840,159,478.43
  5. Step 5: Solve for x
    x = 2,840,159,478.43/79,880.63
  6. Step 6: Final answer
    x = 35,555.05

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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.