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Finding the Fourth Proportional to 222,959.20, 333,920.40 and 152,456.80

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Solution

The fourth proportional to 222,959.20, 333,920.40 and 152,456.80 is: 228,330.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,959.20 : 333,920.40 = 152,456.80 : x
  2. Step 2: Convert to fraction form
    222,959.20/333,920.40 = 152,456.80/x
  3. Step 3: Cross multiply
    222,959.20x = 333,920.40 × 152,456.80
  4. Step 4: Simplify right side
    222,959.20x = 50,908,435,638.72
  5. Step 5: Solve for x
    x = 50,908,435,638.72/222,959.20
  6. Step 6: Final answer
    x = 228,330.72

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.