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Finding the Fourth Proportional to 76,130.40, 114,198.84 and 23,540.88

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Solution

The fourth proportional to 76,130.40, 114,198.84 and 23,540.88 is: 35,312.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,130.40 : 114,198.84 = 23,540.88 : x
  2. Step 2: Convert to fraction form
    76,130.40/114,198.84 = 23,540.88/x
  3. Step 3: Cross multiply
    76,130.40x = 114,198.84 × 23,540.88
  4. Step 4: Simplify right side
    76,130.40x = 2,688,341,188.58
  5. Step 5: Solve for x
    x = 2,688,341,188.58/76,130.40
  6. Step 6: Final answer
    x = 35,312.32

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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.