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Finding the Fourth Proportional to 304,080.20, 455,967.30 and 93,690.80

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Solution

The fourth proportional to 304,080.20, 455,967.30 and 93,690.80 is: 140,489.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,080.20 : 455,967.30 = 93,690.80 : x
  2. Step 2: Convert to fraction form
    304,080.20/455,967.30 = 93,690.80/x
  3. Step 3: Cross multiply
    304,080.20x = 455,967.30 × 93,690.80
  4. Step 4: Simplify right side
    304,080.20x = 42,719,941,110.84
  5. Step 5: Solve for x
    x = 42,719,941,110.84/304,080.20
  6. Step 6: Final answer
    x = 140,489.06

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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.