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Finding the Fourth Proportional to 182,074.52, 251,120.40 and 118,432.64

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Solution

The fourth proportional to 182,074.52, 251,120.40 and 118,432.64 is: 163,344.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,074.52 : 251,120.40 = 118,432.64 : x
  2. Step 2: Convert to fraction form
    182,074.52/251,120.40 = 118,432.64/x
  3. Step 3: Cross multiply
    182,074.52x = 251,120.40 × 118,432.64
  4. Step 4: Simplify right side
    182,074.52x = 29,740,851,929.86
  5. Step 5: Solve for x
    x = 29,740,851,929.86/182,074.52
  6. Step 6: Final answer
    x = 163,344.39

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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.