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Finding the Fourth Proportional to 94,687.70, 130,668.90 and 52,246.22

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Solution

The fourth proportional to 94,687.70, 130,668.90 and 52,246.22 is: 72,099.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,687.70 : 130,668.90 = 52,246.22 : x
  2. Step 2: Convert to fraction form
    94,687.70/130,668.90 = 52,246.22/x
  3. Step 3: Cross multiply
    94,687.70x = 130,668.90 × 52,246.22
  4. Step 4: Simplify right side
    94,687.70x = 6,826,956,096.56
  5. Step 5: Solve for x
    x = 6,826,956,096.56/94,687.70
  6. Step 6: Final answer
    x = 72,099.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.