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Finding the Fourth Proportional to 118,371.63, 177,573.53 and 38,383.52

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Solution

The fourth proportional to 118,371.63, 177,573.53 and 38,383.52 is: 57,580.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,371.63 : 177,573.53 = 38,383.52 : x
  2. Step 2: Convert to fraction form
    118,371.63/177,573.53 = 38,383.52/x
  3. Step 3: Cross multiply
    118,371.63x = 177,573.53 × 38,383.52
  4. Step 4: Simplify right side
    118,371.63x = 6,815,896,060.44
  5. Step 5: Solve for x
    x = 6,815,896,060.44/118,371.63
  6. Step 6: Final answer
    x = 57,580.49

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1.5x scale

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.