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Finding the Fourth Proportional to 214,136.60, 321,204.90 and 96,038.60

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Solution

The fourth proportional to 214,136.60, 321,204.90 and 96,038.60 is: 144,057.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,136.60 : 321,204.90 = 96,038.60 : x
  2. Step 2: Convert to fraction form
    214,136.60/321,204.90 = 96,038.60/x
  3. Step 3: Cross multiply
    214,136.60x = 321,204.90 × 96,038.60
  4. Step 4: Simplify right side
    214,136.60x = 30,848,068,909.14
  5. Step 5: Solve for x
    x = 30,848,068,909.14/214,136.60
  6. Step 6: Final answer
    x = 144,057.90

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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.