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Finding the Fourth Proportional to 92,853.99, 139,286.93 and 26,299.40

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Solution

The fourth proportional to 92,853.99, 139,286.93 and 26,299.40 is: 39,450.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,853.99 : 139,286.93 = 26,299.40 : x
  2. Step 2: Convert to fraction form
    92,853.99/139,286.93 = 26,299.40/x
  3. Step 3: Cross multiply
    92,853.99x = 139,286.93 × 26,299.40
  4. Step 4: Simplify right side
    92,853.99x = 3,663,161,858.91
  5. Step 5: Solve for x
    x = 3,663,161,858.91/92,853.99
  6. Step 6: Final answer
    x = 39,450.77

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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.