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Finding the Fourth Proportional to 94,760.52, 130,768.52 and 51,739.88

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Solution

The fourth proportional to 94,760.52, 130,768.52 and 51,739.88 is: 71,400.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,760.52 : 130,768.52 = 51,739.88 : x
  2. Step 2: Convert to fraction form
    94,760.52/130,768.52 = 51,739.88/x
  3. Step 3: Cross multiply
    94,760.52x = 130,768.52 × 51,739.88
  4. Step 4: Simplify right side
    94,760.52x = 6,765,946,878.74
  5. Step 5: Solve for x
    x = 6,765,946,878.74/94,760.52
  6. Step 6: Final answer
    x = 71,400.48

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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.