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Finding the Fourth Proportional to 177,978.52, 245,607.08 and 97,404.44

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Solution

The fourth proportional to 177,978.52, 245,607.08 and 97,404.44 is: 134,416.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,978.52 : 245,607.08 = 97,404.44 : x
  2. Step 2: Convert to fraction form
    177,978.52/245,607.08 = 97,404.44/x
  3. Step 3: Cross multiply
    177,978.52x = 245,607.08 × 97,404.44
  4. Step 4: Simplify right side
    177,978.52x = 23,923,220,087.44
  5. Step 5: Solve for x
    x = 23,923,220,087.44/177,978.52
  6. Step 6: Final answer
    x = 134,416.33

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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.