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Finding the Fourth Proportional to 70,324.68, 105,388.56 and 50,510.46

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Solution

The fourth proportional to 70,324.68, 105,388.56 and 50,510.46 is: 75,694.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,324.68 : 105,388.56 = 50,510.46 : x
  2. Step 2: Convert to fraction form
    70,324.68/105,388.56 = 50,510.46/x
  3. Step 3: Cross multiply
    70,324.68x = 105,388.56 × 50,510.46
  4. Step 4: Simplify right side
    70,324.68x = 5,323,224,644.34
  5. Step 5: Solve for x
    x = 5,323,224,644.34/70,324.68
  6. Step 6: Final answer
    x = 75,694.97

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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.