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Finding the Fourth Proportional to 194,035.75, 291,101.67 and 92,910.75

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Solution

The fourth proportional to 194,035.75, 291,101.67 and 92,910.75 is: 139,389.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,035.75 : 291,101.67 = 92,910.75 : x
  2. Step 2: Convert to fraction form
    194,035.75/291,101.67 = 92,910.75/x
  3. Step 3: Cross multiply
    194,035.75x = 291,101.67 × 92,910.75
  4. Step 4: Simplify right side
    194,035.75x = 27,046,473,382.72
  5. Step 5: Solve for x
    x = 27,046,473,382.72/194,035.75
  6. Step 6: Final answer
    x = 139,389.13

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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.