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Finding the Fourth Proportional to 102,874.62, 154,311.93 and 36,316.92

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Solution

The fourth proportional to 102,874.62, 154,311.93 and 36,316.92 is: 54,475.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,874.62 : 154,311.93 = 36,316.92 : x
  2. Step 2: Convert to fraction form
    102,874.62/154,311.93 = 36,316.92/x
  3. Step 3: Cross multiply
    102,874.62x = 154,311.93 × 36,316.92
  4. Step 4: Simplify right side
    102,874.62x = 5,604,134,016.86
  5. Step 5: Solve for x
    x = 5,604,134,016.86/102,874.62
  6. Step 6: Final answer
    x = 54,475.38

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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.