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Finding the Fourth Proportional to 60,150.76, 90,234.78 and 18,601

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Solution

The fourth proportional to 60,150.76, 90,234.78 and 18,601 is: 27,904.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,150.76 : 90,234.78 = 18,601 : x
  2. Step 2: Convert to fraction form
    60,150.76/90,234.78 = 18,601/x
  3. Step 3: Cross multiply
    60,150.76x = 90,234.78 × 18,601
  4. Step 4: Simplify right side
    60,150.76x = 1,678,457,142.78
  5. Step 5: Solve for x
    x = 1,678,457,142.78/60,150.76
  6. Step 6: Final answer
    x = 27,904.17

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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.