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Finding the Fourth Proportional to 179,963.96, 248,352.16 and 99,393.52

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Solution

The fourth proportional to 179,963.96, 248,352.16 and 99,393.52 is: 137,164.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,963.96 : 248,352.16 = 99,393.52 : x
  2. Step 2: Convert to fraction form
    179,963.96/248,352.16 = 99,393.52/x
  3. Step 3: Cross multiply
    179,963.96x = 248,352.16 × 99,393.52
  4. Step 4: Simplify right side
    179,963.96x = 24,684,595,382.00
  5. Step 5: Solve for x
    x = 24,684,595,382.00/179,963.96
  6. Step 6: Final answer
    x = 137,164.10

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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.