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Finding the Fourth Proportional to 343,136.20, 514,704.30 and 93,843.40

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Solution

The fourth proportional to 343,136.20, 514,704.30 and 93,843.40 is: 140,765.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,136.20 : 514,704.30 = 93,843.40 : x
  2. Step 2: Convert to fraction form
    343,136.20/514,704.30 = 93,843.40/x
  3. Step 3: Cross multiply
    343,136.20x = 514,704.30 × 93,843.40
  4. Step 4: Simplify right side
    343,136.20x = 48,301,601,506.62
  5. Step 5: Solve for x
    x = 48,301,601,506.62/343,136.20
  6. Step 6: Final answer
    x = 140,765.10

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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.