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Finding the Fourth Proportional to 117,880.74, 162,672.57 and 67,576.50

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Solution

The fourth proportional to 117,880.74, 162,672.57 and 67,576.50 is: 93,253.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,880.74 : 162,672.57 = 67,576.50 : x
  2. Step 2: Convert to fraction form
    117,880.74/162,672.57 = 67,576.50/x
  3. Step 3: Cross multiply
    117,880.74x = 162,672.57 × 67,576.50
  4. Step 4: Simplify right side
    117,880.74x = 10,992,842,926.61
  5. Step 5: Solve for x
    x = 10,992,842,926.61/117,880.74
  6. Step 6: Final answer
    x = 93,253.94

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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.