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Finding the Fourth Proportional to 94,359.94, 130,216.71 and 51,921.20

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Solution

The fourth proportional to 94,359.94, 130,216.71 and 51,921.20 is: 71,651.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,359.94 : 130,216.71 = 51,921.20 : x
  2. Step 2: Convert to fraction form
    94,359.94/130,216.71 = 51,921.20/x
  3. Step 3: Cross multiply
    94,359.94x = 130,216.71 × 51,921.20
  4. Step 4: Simplify right side
    94,359.94x = 6,761,008,363.50
  5. Step 5: Solve for x
    x = 6,761,008,363.50/94,359.94
  6. Step 6: Final answer
    x = 71,651.26

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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.