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Finding the Fourth Proportional to 104,750.94, 157,122.62 and 45,586.64

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Solution

The fourth proportional to 104,750.94, 157,122.62 and 45,586.64 is: 68,378.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,750.94 : 157,122.62 = 45,586.64 : x
  2. Step 2: Convert to fraction form
    104,750.94/157,122.62 = 45,586.64/x
  3. Step 3: Cross multiply
    104,750.94x = 157,122.62 × 45,586.64
  4. Step 4: Simplify right side
    104,750.94x = 7,162,692,313.80
  5. Step 5: Solve for x
    x = 7,162,692,313.80/104,750.94
  6. Step 6: Final answer
    x = 68,378.31

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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.