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Finding the Fourth Proportional to 76,228.90, 114,246.15 and 36,700.90

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Solution

The fourth proportional to 76,228.90, 114,246.15 and 36,700.90 is: 55,004.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,228.90 : 114,246.15 = 36,700.90 : x
  2. Step 2: Convert to fraction form
    76,228.90/114,246.15 = 36,700.90/x
  3. Step 3: Cross multiply
    76,228.90x = 114,246.15 × 36,700.90
  4. Step 4: Simplify right side
    76,228.90x = 4,192,936,526.54
  5. Step 5: Solve for x
    x = 4,192,936,526.54/76,228.90
  6. Step 6: Final answer
    x = 55,004.55

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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.