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Finding the Fourth Proportional to 94,173.65, 129,968.78 and 53,893.16

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Solution

The fourth proportional to 94,173.65, 129,968.78 and 53,893.16 is: 74,377.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,173.65 : 129,968.78 = 53,893.16 : x
  2. Step 2: Convert to fraction form
    94,173.65/129,968.78 = 53,893.16/x
  3. Step 3: Cross multiply
    94,173.65x = 129,968.78 × 53,893.16
  4. Step 4: Simplify right side
    94,173.65x = 7,004,428,255.54
  5. Step 5: Solve for x
    x = 7,004,428,255.54/94,173.65
  6. Step 6: Final answer
    x = 74,377.79

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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.