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Finding the Fourth Proportional to 100,614.63, 150,724.75 and 58,406.21

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Solution

The fourth proportional to 100,614.63, 150,724.75 and 58,406.21 is: 87,494.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,614.63 : 150,724.75 = 58,406.21 : x
  2. Step 2: Convert to fraction form
    100,614.63/150,724.75 = 58,406.21/x
  3. Step 3: Cross multiply
    100,614.63x = 150,724.75 × 58,406.21
  4. Step 4: Simplify right side
    100,614.63x = 8,803,261,400.70
  5. Step 5: Solve for x
    x = 8,803,261,400.70/100,614.63
  6. Step 6: Final answer
    x = 87,494.84

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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.