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Finding the Fourth Proportional to 92,852.20, 139,270.20 and 30,522.70

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Solution

The fourth proportional to 92,852.20, 139,270.20 and 30,522.70 is: 45,781.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,852.20 : 139,270.20 = 30,522.70 : x
  2. Step 2: Convert to fraction form
    92,852.20/139,270.20 = 30,522.70/x
  3. Step 3: Cross multiply
    92,852.20x = 139,270.20 × 30,522.70
  4. Step 4: Simplify right side
    92,852.20x = 4,250,902,533.54
  5. Step 5: Solve for x
    x = 4,250,902,533.54/92,852.20
  6. Step 6: Final answer
    x = 45,781.39

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1.5x scale

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.