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Finding the Fourth Proportional to 243,611.10, 365,416.65 and 119,195.10

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Solution

The fourth proportional to 243,611.10, 365,416.65 and 119,195.10 is: 178,792.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,611.10 : 365,416.65 = 119,195.10 : x
  2. Step 2: Convert to fraction form
    243,611.10/365,416.65 = 119,195.10/x
  3. Step 3: Cross multiply
    243,611.10x = 365,416.65 × 119,195.10
  4. Step 4: Simplify right side
    243,611.10x = 43,555,874,138.42
  5. Step 5: Solve for x
    x = 43,555,874,138.42/243,611.10
  6. Step 6: Final answer
    x = 178,792.65

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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.