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Finding the Fourth Proportional to 248,011.32, 372,014.52 and 61,022.88

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Solution

The fourth proportional to 248,011.32, 372,014.52 and 61,022.88 is: 91,533.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,011.32 : 372,014.52 = 61,022.88 : x
  2. Step 2: Convert to fraction form
    248,011.32/372,014.52 = 61,022.88/x
  3. Step 3: Cross multiply
    248,011.32x = 372,014.52 × 61,022.88
  4. Step 4: Simplify right side
    248,011.32x = 22,701,397,412.22
  5. Step 5: Solve for x
    x = 22,701,397,412.22/248,011.32
  6. Step 6: Final answer
    x = 91,533.71

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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.