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Finding the Fourth Proportional to 167,247, 250,870.50 and 56,439

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Solution

The fourth proportional to 167,247, 250,870.50 and 56,439 is: 84,658.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,247 : 250,870.50 = 56,439 : x
  2. Step 2: Convert to fraction form
    167,247/250,870.50 = 56,439/x
  3. Step 3: Cross multiply
    167,247x = 250,870.50 × 56,439
  4. Step 4: Simplify right side
    167,247x = 14,158,880,149.50
  5. Step 5: Solve for x
    x = 14,158,880,149.50/167,247
  6. Step 6: Final answer
    x = 84,658.50

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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.