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Finding the Fourth Proportional to 248,953.20, 373,429.08 and 61,964.64

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Solution

The fourth proportional to 248,953.20, 373,429.08 and 61,964.64 is: 92,946.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,953.20 : 373,429.08 = 61,964.64 : x
  2. Step 2: Convert to fraction form
    248,953.20/373,429.08 = 61,964.64/x
  3. Step 3: Cross multiply
    248,953.20x = 373,429.08 × 61,964.64
  4. Step 4: Simplify right side
    248,953.20x = 23,139,398,507.73
  5. Step 5: Solve for x
    x = 23,139,398,507.73/248,953.20
  6. Step 6: Final answer
    x = 92,946.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.