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Finding the Fourth Proportional to 93,237.94, 128,668.44 and 50,796.55

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Solution

The fourth proportional to 93,237.94, 128,668.44 and 50,796.55 is: 70,099.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,237.94 : 128,668.44 = 50,796.55 : x
  2. Step 2: Convert to fraction form
    93,237.94/128,668.44 = 50,796.55/x
  3. Step 3: Cross multiply
    93,237.94x = 128,668.44 × 50,796.55
  4. Step 4: Simplify right side
    93,237.94x = 6,535,912,845.88
  5. Step 5: Solve for x
    x = 6,535,912,845.88/93,237.94
  6. Step 6: Final answer
    x = 70,099.28

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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.