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Finding the Fourth Proportional to 94,813.80, 130,842.72 and 54,525.66

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Solution

The fourth proportional to 94,813.80, 130,842.72 and 54,525.66 is: 75,245.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,813.80 : 130,842.72 = 54,525.66 : x
  2. Step 2: Convert to fraction form
    94,813.80/130,842.72 = 54,525.66/x
  3. Step 3: Cross multiply
    94,813.80x = 130,842.72 × 54,525.66
  4. Step 4: Simplify right side
    94,813.80x = 7,134,285,664.20
  5. Step 5: Solve for x
    x = 7,134,285,664.20/94,813.80
  6. Step 6: Final answer
    x = 75,245.22

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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.