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Finding the Fourth Proportional to 304,101.60, 456,109.20 and 93,760.80

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Solution

The fourth proportional to 304,101.60, 456,109.20 and 93,760.80 is: 140,627.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,101.60 : 456,109.20 = 93,760.80 : x
  2. Step 2: Convert to fraction form
    304,101.60/456,109.20 = 93,760.80/x
  3. Step 3: Cross multiply
    304,101.60x = 456,109.20 × 93,760.80
  4. Step 4: Simplify right side
    304,101.60x = 42,765,163,479.36
  5. Step 5: Solve for x
    x = 42,765,163,479.36/304,101.60
  6. Step 6: Final answer
    x = 140,627.88

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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.