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Finding the Fourth Proportional to 208,060.44, 287,123.31 and 117,435.41

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Solution

The fourth proportional to 208,060.44, 287,123.31 and 117,435.41 is: 162,060.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,060.44 : 287,123.31 = 117,435.41 : x
  2. Step 2: Convert to fraction form
    208,060.44/287,123.31 = 117,435.41/x
  3. Step 3: Cross multiply
    208,060.44x = 287,123.31 × 117,435.41
  4. Step 4: Simplify right side
    208,060.44x = 33,718,444,348.22
  5. Step 5: Solve for x
    x = 33,718,444,348.22/208,060.44
  6. Step 6: Final answer
    x = 162,060.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.