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Finding the Fourth Proportional to 94,249.50, 130,064.58 and 53,963.88

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Solution

The fourth proportional to 94,249.50, 130,064.58 and 53,963.88 is: 74,470.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,249.50 : 130,064.58 = 53,963.88 : x
  2. Step 2: Convert to fraction form
    94,249.50/130,064.58 = 53,963.88/x
  3. Step 3: Cross multiply
    94,249.50x = 130,064.58 × 53,963.88
  4. Step 4: Simplify right side
    94,249.50x = 7,018,789,387.37
  5. Step 5: Solve for x
    x = 7,018,789,387.37/94,249.50
  6. Step 6: Final answer
    x = 74,470.31

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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.