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Finding the Fourth Proportional to 93,026.25, 128,375.58 and 50,584.80

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Solution

The fourth proportional to 93,026.25, 128,375.58 and 50,584.80 is: 69,806.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,026.25 : 128,375.58 = 50,584.80 : x
  2. Step 2: Convert to fraction form
    93,026.25/128,375.58 = 50,584.80/x
  3. Step 3: Cross multiply
    93,026.25x = 128,375.58 × 50,584.80
  4. Step 4: Simplify right side
    93,026.25x = 6,493,853,039.18
  5. Step 5: Solve for x
    x = 6,493,853,039.18/93,026.25
  6. Step 6: Final answer
    x = 69,806.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.