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Finding the Fourth Proportional to 74,286, 111,439.58 and 24,369.98

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Solution

The fourth proportional to 74,286, 111,439.58 and 24,369.98 is: 36,558.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,286 : 111,439.58 = 24,369.98 : x
  2. Step 2: Convert to fraction form
    74,286/111,439.58 = 24,369.98/x
  3. Step 3: Cross multiply
    74,286x = 111,439.58 × 24,369.98
  4. Step 4: Simplify right side
    74,286x = 2,715,779,656.76
  5. Step 5: Solve for x
    x = 2,715,779,656.76/74,286
  6. Step 6: Final answer
    x = 36,558.43

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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.