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Finding the Fourth Proportional to 189,079.55, 264,908.20 and 189,079.55

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Solution

The fourth proportional to 189,079.55, 264,908.20 and 189,079.55 is: 264,908.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,079.55 : 264,908.20 = 189,079.55 : x
  2. Step 2: Convert to fraction form
    189,079.55/264,908.20 = 189,079.55/x
  3. Step 3: Cross multiply
    189,079.55x = 264,908.20 × 189,079.55
  4. Step 4: Simplify right side
    189,079.55x = 50,088,723,247.31
  5. Step 5: Solve for x
    x = 50,088,723,247.31/189,079.55
  6. Step 6: Final answer
    x = 264,908.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.