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Finding the Fourth Proportional to 166,952, 250,428 and 56,144

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Solution

The fourth proportional to 166,952, 250,428 and 56,144 is: 84,216

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,952 : 250,428 = 56,144 : x
  2. Step 2: Convert to fraction form
    166,952/250,428 = 56,144/x
  3. Step 3: Cross multiply
    166,952x = 250,428 × 56,144
  4. Step 4: Simplify right side
    166,952x = 14,060,029,632
  5. Step 5: Solve for x
    x = 14,060,029,632/166,952
  6. Step 6: Final answer
    x = 84,216

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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.