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Finding the Fourth Proportional to 118,459.61, 177,663.22 and 34,201.44

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Solution

The fourth proportional to 118,459.61, 177,663.22 and 34,201.44 is: 51,294.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,459.61 : 177,663.22 = 34,201.44 : x
  2. Step 2: Convert to fraction form
    118,459.61/177,663.22 = 34,201.44/x
  3. Step 3: Cross multiply
    118,459.61x = 177,663.22 × 34,201.44
  4. Step 4: Simplify right side
    118,459.61x = 6,076,338,065.92
  5. Step 5: Solve for x
    x = 6,076,338,065.92/118,459.61
  6. Step 6: Final answer
    x = 51,294.60

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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.