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Finding the Fourth Proportional to 94,399.92, 130,270.86 and 51,957.54

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Solution

The fourth proportional to 94,399.92, 130,270.86 and 51,957.54 is: 71,700.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,399.92 : 130,270.86 = 51,957.54 : x
  2. Step 2: Convert to fraction form
    94,399.92/130,270.86 = 51,957.54/x
  3. Step 3: Cross multiply
    94,399.92x = 130,270.86 × 51,957.54
  4. Step 4: Simplify right side
    94,399.92x = 6,768,553,419.28
  5. Step 5: Solve for x
    x = 6,768,553,419.28/94,399.92
  6. Step 6: Final answer
    x = 71,700.84

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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.