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Finding the Fourth Proportional to 79,466.94, 109,468.53 and 68,099.94

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Solution

The fourth proportional to 79,466.94, 109,468.53 and 68,099.94 is: 93,810.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,466.94 : 109,468.53 = 68,099.94 : x
  2. Step 2: Convert to fraction form
    79,466.94/109,468.53 = 68,099.94/x
  3. Step 3: Cross multiply
    79,466.94x = 109,468.53 × 68,099.94
  4. Step 4: Simplify right side
    79,466.94x = 7,454,800,324.89
  5. Step 5: Solve for x
    x = 7,454,800,324.89/79,466.94
  6. Step 6: Final answer
    x = 93,810.08

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1.5x scale

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.