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Finding the Fourth Proportional to 123,603.57, 185,405.36 and 44,699.34

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Solution

The fourth proportional to 123,603.57, 185,405.36 and 44,699.34 is: 67,049.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,603.57 : 185,405.36 = 44,699.34 : x
  2. Step 2: Convert to fraction form
    123,603.57/185,405.36 = 44,699.34/x
  3. Step 3: Cross multiply
    123,603.57x = 185,405.36 × 44,699.34
  4. Step 4: Simplify right side
    123,603.57x = 8,287,497,696.24
  5. Step 5: Solve for x
    x = 8,287,497,696.24/123,603.57
  6. Step 6: Final answer
    x = 67,049.02

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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.