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Finding the Fourth Proportional to 100,683.30, 151,043.16 and 41,486.04

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Solution

The fourth proportional to 100,683.30, 151,043.16 and 41,486.04 is: 62,236.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,683.30 : 151,043.16 = 41,486.04 : x
  2. Step 2: Convert to fraction form
    100,683.30/151,043.16 = 41,486.04/x
  3. Step 3: Cross multiply
    100,683.30x = 151,043.16 × 41,486.04
  4. Step 4: Simplify right side
    100,683.30x = 6,266,182,577.49
  5. Step 5: Solve for x
    x = 6,266,182,577.49/100,683.30
  6. Step 6: Final answer
    x = 62,236.56

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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.