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Finding the Fourth Proportional to 376,450.76, 564,683.42 and 92,143.80

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Solution

The fourth proportional to 376,450.76, 564,683.42 and 92,143.80 is: 138,217.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,450.76 : 564,683.42 = 92,143.80 : x
  2. Step 2: Convert to fraction form
    376,450.76/564,683.42 = 92,143.80/x
  3. Step 3: Cross multiply
    376,450.76x = 564,683.42 × 92,143.80
  4. Step 4: Simplify right side
    376,450.76x = 52,032,076,346.16
  5. Step 5: Solve for x
    x = 52,032,076,346.16/376,450.76
  6. Step 6: Final answer
    x = 138,217.48

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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.