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Finding the Fourth Proportional to 177,424.40, 266,136.60 and 159,928.40

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Solution

The fourth proportional to 177,424.40, 266,136.60 and 159,928.40 is: 239,892.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,424.40 : 266,136.60 = 159,928.40 : x
  2. Step 2: Convert to fraction form
    177,424.40/266,136.60 = 159,928.40/x
  3. Step 3: Cross multiply
    177,424.40x = 266,136.60 × 159,928.40
  4. Step 4: Simplify right side
    177,424.40x = 42,562,800,619.44
  5. Step 5: Solve for x
    x = 42,562,800,619.44/177,424.40
  6. Step 6: Final answer
    x = 239,892.60

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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.