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Finding the Fourth Proportional to 79,641.63, 119,463.39 and 27,055.22

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Solution

The fourth proportional to 79,641.63, 119,463.39 and 27,055.22 is: 40,583.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,641.63 : 119,463.39 = 27,055.22 : x
  2. Step 2: Convert to fraction form
    79,641.63/119,463.39 = 27,055.22/x
  3. Step 3: Cross multiply
    79,641.63x = 119,463.39 × 27,055.22
  4. Step 4: Simplify right side
    79,641.63x = 3,232,107,701.08
  5. Step 5: Solve for x
    x = 3,232,107,701.08/79,641.63
  6. Step 6: Final answer
    x = 40,583.14

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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.