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Finding the Fourth Proportional to 94,475.28, 130,381.80 and 52,033.80

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Solution

The fourth proportional to 94,475.28, 130,381.80 and 52,033.80 is: 71,809.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,475.28 : 130,381.80 = 52,033.80 : x
  2. Step 2: Convert to fraction form
    94,475.28/130,381.80 = 52,033.80/x
  3. Step 3: Cross multiply
    94,475.28x = 130,381.80 × 52,033.80
  4. Step 4: Simplify right side
    94,475.28x = 6,784,260,504.84
  5. Step 5: Solve for x
    x = 6,784,260,504.84/94,475.28
  6. Step 6: Final answer
    x = 71,809.90

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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.