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Finding the Fourth Proportional to 378,088.60, 567,132.90 and 168,136.60

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Solution

The fourth proportional to 378,088.60, 567,132.90 and 168,136.60 is: 252,204.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,088.60 : 567,132.90 = 168,136.60 : x
  2. Step 2: Convert to fraction form
    378,088.60/567,132.90 = 168,136.60/x
  3. Step 3: Cross multiply
    378,088.60x = 567,132.90 × 168,136.60
  4. Step 4: Simplify right side
    378,088.60x = 95,355,797,554.14
  5. Step 5: Solve for x
    x = 95,355,797,554.14/378,088.60
  6. Step 6: Final answer
    x = 252,204.90

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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.