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Finding the Fourth Proportional to 92,914.28, 139,363.22 and 33,750.47

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Solution

The fourth proportional to 92,914.28, 139,363.22 and 33,750.47 is: 50,622.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,914.28 : 139,363.22 = 33,750.47 : x
  2. Step 2: Convert to fraction form
    92,914.28/139,363.22 = 33,750.47/x
  3. Step 3: Cross multiply
    92,914.28x = 139,363.22 × 33,750.47
  4. Step 4: Simplify right side
    92,914.28x = 4,703,573,394.52
  5. Step 5: Solve for x
    x = 4,703,573,394.52/92,914.28
  6. Step 6: Final answer
    x = 50,622.72

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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.