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Finding the Fourth Proportional to 118,302, 177,365.52 and 71,544.48

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Solution

The fourth proportional to 118,302, 177,365.52 and 71,544.48 is: 107,263.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,302 : 177,365.52 = 71,544.48 : x
  2. Step 2: Convert to fraction form
    118,302/177,365.52 = 71,544.48/x
  3. Step 3: Cross multiply
    118,302x = 177,365.52 × 71,544.48
  4. Step 4: Simplify right side
    118,302x = 12,689,523,898.33
  5. Step 5: Solve for x
    x = 12,689,523,898.33/118,302
  6. Step 6: Final answer
    x = 107,263.82

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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.