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Finding the Fourth Proportional to 154,453.82, 213,082.92 and 93,975.98

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Solution

The fourth proportional to 154,453.82, 213,082.92 and 93,975.98 is: 129,648.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,453.82 : 213,082.92 = 93,975.98 : x
  2. Step 2: Convert to fraction form
    154,453.82/213,082.92 = 93,975.98/x
  3. Step 3: Cross multiply
    154,453.82x = 213,082.92 × 93,975.98
  4. Step 4: Simplify right side
    154,453.82x = 20,024,675,162.85
  5. Step 5: Solve for x
    x = 20,024,675,162.85/154,453.82
  6. Step 6: Final answer
    x = 129,648.30

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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.