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Finding the Fourth Proportional to 117,798.24, 162,558.66 and 67,494

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Solution

The fourth proportional to 117,798.24, 162,558.66 and 67,494 is: 93,140.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,798.24 : 162,558.66 = 67,494 : x
  2. Step 2: Convert to fraction form
    117,798.24/162,558.66 = 67,494/x
  3. Step 3: Cross multiply
    117,798.24x = 162,558.66 × 67,494
  4. Step 4: Simplify right side
    117,798.24x = 10,971,734,198.04
  5. Step 5: Solve for x
    x = 10,971,734,198.04/117,798.24
  6. Step 6: Final answer
    x = 93,140.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.