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Finding the Fourth Proportional to 193,116.72, 266,502.36 and 108,237.36

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Solution

The fourth proportional to 193,116.72, 266,502.36 and 108,237.36 is: 149,368.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,116.72 : 266,502.36 = 108,237.36 : x
  2. Step 2: Convert to fraction form
    193,116.72/266,502.36 = 108,237.36/x
  3. Step 3: Cross multiply
    193,116.72x = 266,502.36 × 108,237.36
  4. Step 4: Simplify right side
    193,116.72x = 28,845,511,880.17
  5. Step 5: Solve for x
    x = 28,845,511,880.17/193,116.72
  6. Step 6: Final answer
    x = 149,368.28

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