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Finding the Fourth Proportional to 224,647.36, 336,858.36 and 74,834.98

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Solution

The fourth proportional to 224,647.36, 336,858.36 and 74,834.98 is: 112,214.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,647.36 : 336,858.36 = 74,834.98 : x
  2. Step 2: Convert to fraction form
    224,647.36/336,858.36 = 74,834.98/x
  3. Step 3: Cross multiply
    224,647.36x = 336,858.36 × 74,834.98
  4. Step 4: Simplify right side
    224,647.36x = 25,208,788,633.43
  5. Step 5: Solve for x
    x = 25,208,788,633.43/224,647.36
  6. Step 6: Final answer
    x = 112,214.93

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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.