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Finding the Fourth Proportional to 76,229.40, 114,246.90 and 36,701.40

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Solution

The fourth proportional to 76,229.40, 114,246.90 and 36,701.40 is: 55,005.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,229.40 : 114,246.90 = 36,701.40 : x
  2. Step 2: Convert to fraction form
    76,229.40/114,246.90 = 36,701.40/x
  3. Step 3: Cross multiply
    76,229.40x = 114,246.90 × 36,701.40
  4. Step 4: Simplify right side
    76,229.40x = 4,193,021,175.66
  5. Step 5: Solve for x
    x = 4,193,021,175.66/76,229.40
  6. Step 6: Final answer
    x = 55,005.30

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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.