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Finding the Fourth Proportional to 125,100.96, 187,683.12 and 36,352.56

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Solution

The fourth proportional to 125,100.96, 187,683.12 and 36,352.56 is: 54,538.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,100.96 : 187,683.12 = 36,352.56 : x
  2. Step 2: Convert to fraction form
    125,100.96/187,683.12 = 36,352.56/x
  3. Step 3: Cross multiply
    125,100.96x = 187,683.12 × 36,352.56
  4. Step 4: Simplify right side
    125,100.96x = 6,822,761,880.79
  5. Step 5: Solve for x
    x = 6,822,761,880.79/125,100.96
  6. Step 6: Final answer
    x = 54,538.05

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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.