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Finding the Fourth Proportional to 245,379.14, 368,072.43 and 161,675.42

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Solution

The fourth proportional to 245,379.14, 368,072.43 and 161,675.42 is: 242,515.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,379.14 : 368,072.43 = 161,675.42 : x
  2. Step 2: Convert to fraction form
    245,379.14/368,072.43 = 161,675.42/x
  3. Step 3: Cross multiply
    245,379.14x = 368,072.43 × 161,675.42
  4. Step 4: Simplify right side
    245,379.14x = 59,508,264,710.67
  5. Step 5: Solve for x
    x = 59,508,264,710.67/245,379.14
  6. Step 6: Final answer
    x = 242,515.58

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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.