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Finding the Fourth Proportional to 179,963.82, 248,345.32 and 99,389.62

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Solution

The fourth proportional to 179,963.82, 248,345.32 and 99,389.62 is: 137,155.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,963.82 : 248,345.32 = 99,389.62 : x
  2. Step 2: Convert to fraction form
    179,963.82/248,345.32 = 99,389.62/x
  3. Step 3: Cross multiply
    179,963.82x = 248,345.32 × 99,389.62
  4. Step 4: Simplify right side
    179,963.82x = 24,682,946,983.58
  5. Step 5: Solve for x
    x = 24,682,946,983.58/179,963.82
  6. Step 6: Final answer
    x = 137,155.05

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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.