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Finding the Fourth Proportional to 76,124.88, 114,198.24 and 23,538.48

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Solution

The fourth proportional to 76,124.88, 114,198.24 and 23,538.48 is: 35,311.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,124.88 : 114,198.24 = 23,538.48 : x
  2. Step 2: Convert to fraction form
    76,124.88/114,198.24 = 23,538.48/x
  3. Step 3: Cross multiply
    76,124.88x = 114,198.24 × 23,538.48
  4. Step 4: Simplify right side
    76,124.88x = 2,688,052,988.28
  5. Step 5: Solve for x
    x = 2,688,052,988.28/76,124.88
  6. Step 6: Final answer
    x = 35,311.10

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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.