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Finding the Fourth Proportional to 304,089.60, 456,091.20 and 93,748.80

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Solution

The fourth proportional to 304,089.60, 456,091.20 and 93,748.80 is: 140,609.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,089.60 : 456,091.20 = 93,748.80 : x
  2. Step 2: Convert to fraction form
    304,089.60/456,091.20 = 93,748.80/x
  3. Step 3: Cross multiply
    304,089.60x = 456,091.20 × 93,748.80
  4. Step 4: Simplify right side
    304,089.60x = 42,758,002,690.56
  5. Step 5: Solve for x
    x = 42,758,002,690.56/304,089.60
  6. Step 6: Final answer
    x = 140,609.88

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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.