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Finding the Fourth Proportional to 173,082.72, 259,670.08 and 54,756.16

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Solution

The fourth proportional to 173,082.72, 259,670.08 and 54,756.16 is: 82,148.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,082.72 : 259,670.08 = 54,756.16 : x
  2. Step 2: Convert to fraction form
    173,082.72/259,670.08 = 54,756.16/x
  3. Step 3: Cross multiply
    173,082.72x = 259,670.08 × 54,756.16
  4. Step 4: Simplify right side
    173,082.72x = 14,218,536,447.69
  5. Step 5: Solve for x
    x = 14,218,536,447.69/173,082.72
  6. Step 6: Final answer
    x = 82,148.79

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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.