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Finding the Fourth Proportional to 625,381.57, 938,059.39 and 152,069.41

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Solution

The fourth proportional to 625,381.57, 938,059.39 and 152,069.41 is: 228,100.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,381.57 : 938,059.39 = 152,069.41 : x
  2. Step 2: Convert to fraction form
    625,381.57/938,059.39 = 152,069.41/x
  3. Step 3: Cross multiply
    625,381.57x = 938,059.39 × 152,069.41
  4. Step 4: Simplify right side
    625,381.57x = 142,650,137,982.26
  5. Step 5: Solve for x
    x = 142,650,137,982.26/625,381.57
  6. Step 6: Final answer
    x = 228,100.96

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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.