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Finding the Fourth Proportional to 118,684.80, 177,890.40 and 59,561.28

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Solution

The fourth proportional to 118,684.80, 177,890.40 and 59,561.28 is: 89,273.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,684.80 : 177,890.40 = 59,561.28 : x
  2. Step 2: Convert to fraction form
    118,684.80/177,890.40 = 59,561.28/x
  3. Step 3: Cross multiply
    118,684.80x = 177,890.40 × 59,561.28
  4. Step 4: Simplify right side
    118,684.80x = 10,595,379,923.71
  5. Step 5: Solve for x
    x = 10,595,379,923.71/118,684.80
  6. Step 6: Final answer
    x = 89,273.27

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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.