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Finding the Fourth Proportional to 118,577.76, 177,823.81 and 39,673.54

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Solution

The fourth proportional to 118,577.76, 177,823.81 and 39,673.54 is: 59,495.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,577.76 : 177,823.81 = 39,673.54 : x
  2. Step 2: Convert to fraction form
    118,577.76/177,823.81 = 39,673.54/x
  3. Step 3: Cross multiply
    118,577.76x = 177,823.81 × 39,673.54
  4. Step 4: Simplify right side
    118,577.76x = 7,054,898,951.50
  5. Step 5: Solve for x
    x = 7,054,898,951.50/118,577.76
  6. Step 6: Final answer
    x = 59,495.97

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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.