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Finding the Fourth Proportional to 262,563.66, 393,928.11 and 93,969.05

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Solution

The fourth proportional to 262,563.66, 393,928.11 and 93,969.05 is: 140,983.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,563.66 : 393,928.11 = 93,969.05 : x
  2. Step 2: Convert to fraction form
    262,563.66/393,928.11 = 93,969.05/x
  3. Step 3: Cross multiply
    262,563.66x = 393,928.11 × 93,969.05
  4. Step 4: Simplify right side
    262,563.66x = 37,017,048,295.36
  5. Step 5: Solve for x
    x = 37,017,048,295.36/262,563.66
  6. Step 6: Final answer
    x = 140,983.14

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1.5x scale

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.