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Finding the Fourth Proportional to 92,813.85, 139,220.64 and 33,649.38

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Solution

The fourth proportional to 92,813.85, 139,220.64 and 33,649.38 is: 50,474.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,813.85 : 139,220.64 = 33,649.38 : x
  2. Step 2: Convert to fraction form
    92,813.85/139,220.64 = 33,649.38/x
  3. Step 3: Cross multiply
    92,813.85x = 139,220.64 × 33,649.38
  4. Step 4: Simplify right side
    92,813.85x = 4,684,688,219.20
  5. Step 5: Solve for x
    x = 4,684,688,219.20/92,813.85
  6. Step 6: Final answer
    x = 50,474.02

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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.