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Finding the Fourth Proportional to 189,082.55, 264,912.40 and 189,082.55

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Solution

The fourth proportional to 189,082.55, 264,912.40 and 189,082.55 is: 264,912.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,082.55 : 264,912.40 = 189,082.55 : x
  2. Step 2: Convert to fraction form
    189,082.55/264,912.40 = 189,082.55/x
  3. Step 3: Cross multiply
    189,082.55x = 264,912.40 × 189,082.55
  4. Step 4: Simplify right side
    189,082.55x = 50,090,312,118.62
  5. Step 5: Solve for x
    x = 50,090,312,118.62/189,082.55
  6. Step 6: Final answer
    x = 264,912.40

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1.5x scale

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.