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Finding the Fourth Proportional to 248,884.58, 373,276.65 and 71,343.92

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Solution

The fourth proportional to 248,884.58, 373,276.65 and 71,343.92 is: 107,001.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,884.58 : 373,276.65 = 71,343.92 : x
  2. Step 2: Convert to fraction form
    248,884.58/373,276.65 = 71,343.92/x
  3. Step 3: Cross multiply
    248,884.58x = 373,276.65 × 71,343.92
  4. Step 4: Simplify right side
    248,884.58x = 26,631,019,455.47
  5. Step 5: Solve for x
    x = 26,631,019,455.47/248,884.58
  6. Step 6: Final answer
    x = 107,001.48

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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.