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Finding the Fourth Proportional to 94,892.31, 130,940.15 and 52,443.45

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Solution

The fourth proportional to 94,892.31, 130,940.15 and 52,443.45 is: 72,365.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,892.31 : 130,940.15 = 52,443.45 : x
  2. Step 2: Convert to fraction form
    94,892.31/130,940.15 = 52,443.45/x
  3. Step 3: Cross multiply
    94,892.31x = 130,940.15 × 52,443.45
  4. Step 4: Simplify right side
    94,892.31x = 6,866,952,947.30
  5. Step 5: Solve for x
    x = 6,866,952,947.30/94,892.31
  6. Step 6: Final answer
    x = 72,365.75

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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.