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Finding the Fourth Proportional to 93,886.90, 140,571.15 and 73,150.90

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Solution

The fourth proportional to 93,886.90, 140,571.15 and 73,150.90 is: 109,524.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,886.90 : 140,571.15 = 73,150.90 : x
  2. Step 2: Convert to fraction form
    93,886.90/140,571.15 = 73,150.90/x
  3. Step 3: Cross multiply
    93,886.90x = 140,571.15 × 73,150.90
  4. Step 4: Simplify right side
    93,886.90x = 10,282,906,136.54
  5. Step 5: Solve for x
    x = 10,282,906,136.54/93,886.90
  6. Step 6: Final answer
    x = 109,524.40

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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.