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Finding the Fourth Proportional to 118,021.19, 177,084.11 and 61,847.94

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Solution

The fourth proportional to 118,021.19, 177,084.11 and 61,847.94 is: 92,799.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,021.19 : 177,084.11 = 61,847.94 : x
  2. Step 2: Convert to fraction form
    118,021.19/177,084.11 = 61,847.94/x
  3. Step 3: Cross multiply
    118,021.19x = 177,084.11 × 61,847.94
  4. Step 4: Simplify right side
    118,021.19x = 10,952,287,881.02
  5. Step 5: Solve for x
    x = 10,952,287,881.02/118,021.19
  6. Step 6: Final answer
    x = 92,799.33

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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.