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Finding the Fourth Proportional to 91,082.99, 136,366.89 and 48,290.94

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Solution

The fourth proportional to 91,082.99, 136,366.89 and 48,290.94 is: 72,299.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,082.99 : 136,366.89 = 48,290.94 : x
  2. Step 2: Convert to fraction form
    91,082.99/136,366.89 = 48,290.94/x
  3. Step 3: Cross multiply
    91,082.99x = 136,366.89 × 48,290.94
  4. Step 4: Simplify right side
    91,082.99x = 6,585,285,302.98
  5. Step 5: Solve for x
    x = 6,585,285,302.98/91,082.99
  6. Step 6: Final answer
    x = 72,299.84

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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.