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Finding the Fourth Proportional to 336,625.60, 504,899.52 and 99,943.68

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Solution

The fourth proportional to 336,625.60, 504,899.52 and 99,943.68 is: 149,903.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,625.60 : 504,899.52 = 99,943.68 : x
  2. Step 2: Convert to fraction form
    336,625.60/504,899.52 = 99,943.68/x
  3. Step 3: Cross multiply
    336,625.60x = 504,899.52 × 99,943.68
  4. Step 4: Simplify right side
    336,625.60x = 50,461,516,059.03
  5. Step 5: Solve for x
    x = 50,461,516,059.03/336,625.60
  6. Step 6: Final answer
    x = 149,903.98

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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.