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Finding the Fourth Proportional to 93,185.84, 128,596.64 and 50,744.56

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Solution

The fourth proportional to 93,185.84, 128,596.64 and 50,744.56 is: 70,027.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,185.84 : 128,596.64 = 50,744.56 : x
  2. Step 2: Convert to fraction form
    93,185.84/128,596.64 = 50,744.56/x
  3. Step 3: Cross multiply
    93,185.84x = 128,596.64 × 50,744.56
  4. Step 4: Simplify right side
    93,185.84x = 6,525,579,914.28
  5. Step 5: Solve for x
    x = 6,525,579,914.28/93,185.84
  6. Step 6: Final answer
    x = 70,027.59

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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.