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Finding the Fourth Proportional to 93,206.72, 128,625.42 and 50,765.42

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Solution

The fourth proportional to 93,206.72, 128,625.42 and 50,765.42 is: 70,056.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,206.72 : 128,625.42 = 50,765.42 : x
  2. Step 2: Convert to fraction form
    93,206.72/128,625.42 = 50,765.42/x
  3. Step 3: Cross multiply
    93,206.72x = 128,625.42 × 50,765.42
  4. Step 4: Simplify right side
    93,206.72x = 6,529,722,825.85
  5. Step 5: Solve for x
    x = 6,529,722,825.85/93,206.72
  6. Step 6: Final answer
    x = 70,056.36

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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.