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Finding the Fourth Proportional to 164,416.60, 246,624.90 and 155,231.20

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Solution

The fourth proportional to 164,416.60, 246,624.90 and 155,231.20 is: 232,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,416.60 : 246,624.90 = 155,231.20 : x
  2. Step 2: Convert to fraction form
    164,416.60/246,624.90 = 155,231.20/x
  3. Step 3: Cross multiply
    164,416.60x = 246,624.90 × 155,231.20
  4. Step 4: Simplify right side
    164,416.60x = 38,283,879,176.88
  5. Step 5: Solve for x
    x = 38,283,879,176.88/164,416.60
  6. Step 6: Final answer
    x = 232,846.80

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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.