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Finding the Fourth Proportional to 118,578.58, 177,898.92 and 35,472.58

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Solution

The fourth proportional to 118,578.58, 177,898.92 and 35,472.58 is: 53,218.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,578.58 : 177,898.92 = 35,472.58 : x
  2. Step 2: Convert to fraction form
    118,578.58/177,898.92 = 35,472.58/x
  3. Step 3: Cross multiply
    118,578.58x = 177,898.92 × 35,472.58
  4. Step 4: Simplify right side
    118,578.58x = 6,310,533,671.61
  5. Step 5: Solve for x
    x = 6,310,533,671.61/118,578.58
  6. Step 6: Final answer
    x = 53,218.16

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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.