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Finding the Fourth Proportional to 94,080.78, 129,832.44 and 51,060.64

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Solution

The fourth proportional to 94,080.78, 129,832.44 and 51,060.64 is: 70,464.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,080.78 : 129,832.44 = 51,060.64 : x
  2. Step 2: Convert to fraction form
    94,080.78/129,832.44 = 51,060.64/x
  3. Step 3: Cross multiply
    94,080.78x = 129,832.44 × 51,060.64
  4. Step 4: Simplify right side
    94,080.78x = 6,629,326,830.00
  5. Step 5: Solve for x
    x = 6,629,326,830.00/94,080.78
  6. Step 6: Final answer
    x = 70,464.20

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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.