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Finding the Fourth Proportional to 191,651.99, 264,485.00 and 106,769.06

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Solution

The fourth proportional to 191,651.99, 264,485.00 and 106,769.06 is: 147,344.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,651.99 : 264,485.00 = 106,769.06 : x
  2. Step 2: Convert to fraction form
    191,651.99/264,485.00 = 106,769.06/x
  3. Step 3: Cross multiply
    191,651.99x = 264,485.00 × 106,769.06
  4. Step 4: Simplify right side
    191,651.99x = 28,238,813,778.60
  5. Step 5: Solve for x
    x = 28,238,813,778.60/191,651.99
  6. Step 6: Final answer
    x = 147,344.22

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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.