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Finding the Fourth Proportional to 175,722.40, 263,583.60 and 156,368.80

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Solution

The fourth proportional to 175,722.40, 263,583.60 and 156,368.80 is: 234,553.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,722.40 : 263,583.60 = 156,368.80 : x
  2. Step 2: Convert to fraction form
    175,722.40/263,583.60 = 156,368.80/x
  3. Step 3: Cross multiply
    175,722.40x = 263,583.60 × 156,368.80
  4. Step 4: Simplify right side
    175,722.40x = 41,216,251,231.68
  5. Step 5: Solve for x
    x = 41,216,251,231.68/175,722.40
  6. Step 6: Final answer
    x = 234,553.20

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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.