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Finding the Fourth Proportional to 164,419.60, 246,629.40 and 155,234.20

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Solution

The fourth proportional to 164,419.60, 246,629.40 and 155,234.20 is: 232,851.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,419.60 : 246,629.40 = 155,234.20 : x
  2. Step 2: Convert to fraction form
    164,419.60/246,629.40 = 155,234.20/x
  3. Step 3: Cross multiply
    164,419.60x = 246,629.40 × 155,234.20
  4. Step 4: Simplify right side
    164,419.60x = 38,285,317,605.48
  5. Step 5: Solve for x
    x = 38,285,317,605.48/164,419.60
  6. Step 6: Final answer
    x = 232,851.30

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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.