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Finding the Fourth Proportional to 175,998.40, 263,997.60 and 105,841.60

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Solution

The fourth proportional to 175,998.40, 263,997.60 and 105,841.60 is: 158,762.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,998.40 : 263,997.60 = 105,841.60 : x
  2. Step 2: Convert to fraction form
    175,998.40/263,997.60 = 105,841.60/x
  3. Step 3: Cross multiply
    175,998.40x = 263,997.60 × 105,841.60
  4. Step 4: Simplify right side
    175,998.40x = 27,941,928,380.16
  5. Step 5: Solve for x
    x = 27,941,928,380.16/175,998.40
  6. Step 6: Final answer
    x = 158,762.40

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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.