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Finding the Fourth Proportional to 164,220.60, 246,330.90 and 157,659.60

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Solution

The fourth proportional to 164,220.60, 246,330.90 and 157,659.60 is: 236,489.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,220.60 : 246,330.90 = 157,659.60 : x
  2. Step 2: Convert to fraction form
    164,220.60/246,330.90 = 157,659.60/x
  3. Step 3: Cross multiply
    164,220.60x = 246,330.90 × 157,659.60
  4. Step 4: Simplify right side
    164,220.60x = 38,836,431,161.64
  5. Step 5: Solve for x
    x = 38,836,431,161.64/164,220.60
  6. Step 6: Final answer
    x = 236,489.40

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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.