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Finding the Fourth Proportional to 94,177.92, 129,964.92 and 51,157.02

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Solution

The fourth proportional to 94,177.92, 129,964.92 and 51,157.02 is: 70,596.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,177.92 : 129,964.92 = 51,157.02 : x
  2. Step 2: Convert to fraction form
    94,177.92/129,964.92 = 51,157.02/x
  3. Step 3: Cross multiply
    94,177.92x = 129,964.92 × 51,157.02
  4. Step 4: Simplify right side
    94,177.92x = 6,648,618,011.74
  5. Step 5: Solve for x
    x = 6,648,618,011.74/94,177.92
  6. Step 6: Final answer
    x = 70,596.36

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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.