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Finding the Fourth Proportional to 92,709.60, 139,075.20 and 33,573.12

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Solution

The fourth proportional to 92,709.60, 139,075.20 and 33,573.12 is: 50,363.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,709.60 : 139,075.20 = 33,573.12 : x
  2. Step 2: Convert to fraction form
    92,709.60/139,075.20 = 33,573.12/x
  3. Step 3: Cross multiply
    92,709.60x = 139,075.20 × 33,573.12
  4. Step 4: Simplify right side
    92,709.60x = 4,669,188,378.62
  5. Step 5: Solve for x
    x = 4,669,188,378.62/92,709.60
  6. Step 6: Final answer
    x = 50,363.59

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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.