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Finding the Fourth Proportional to 336,009.60, 504,069.30 and 99,376.20

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Solution

The fourth proportional to 336,009.60, 504,069.30 and 99,376.20 is: 149,080.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,009.60 : 504,069.30 = 99,376.20 : x
  2. Step 2: Convert to fraction form
    336,009.60/504,069.30 = 99,376.20/x
  3. Step 3: Cross multiply
    336,009.60x = 504,069.30 × 99,376.20
  4. Step 4: Simplify right side
    336,009.60x = 50,092,491,570.66
  5. Step 5: Solve for x
    x = 50,092,491,570.66/336,009.60
  6. Step 6: Final answer
    x = 149,080.54

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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.