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Finding the Fourth Proportional to 304,235.20, 456,352.80 and 93,872.80

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Solution

The fourth proportional to 304,235.20, 456,352.80 and 93,872.80 is: 140,809.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,235.20 : 456,352.80 = 93,872.80 : x
  2. Step 2: Convert to fraction form
    304,235.20/456,352.80 = 93,872.80/x
  3. Step 3: Cross multiply
    304,235.20x = 456,352.80 × 93,872.80
  4. Step 4: Simplify right side
    304,235.20x = 42,839,115,123.84
  5. Step 5: Solve for x
    x = 42,839,115,123.84/304,235.20
  6. Step 6: Final answer
    x = 140,809.20

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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.