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Finding the Fourth Proportional to 94,382.40, 130,244.40 and 51,939.84

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Solution

The fourth proportional to 94,382.40, 130,244.40 and 51,939.84 is: 71,675.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,382.40 : 130,244.40 = 51,939.84 : x
  2. Step 2: Convert to fraction form
    94,382.40/130,244.40 = 51,939.84/x
  3. Step 3: Cross multiply
    94,382.40x = 130,244.40 × 51,939.84
  4. Step 4: Simplify right side
    94,382.40x = 6,764,873,296.90
  5. Step 5: Solve for x
    x = 6,764,873,296.90/94,382.40
  6. Step 6: Final answer
    x = 71,675.16

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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.