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Finding the Fourth Proportional to 178,433.61, 246,241.53 and 97,860.44

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Solution

The fourth proportional to 178,433.61, 246,241.53 and 97,860.44 is: 135,049.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,433.61 : 246,241.53 = 97,860.44 : x
  2. Step 2: Convert to fraction form
    178,433.61/246,241.53 = 97,860.44/x
  3. Step 3: Cross multiply
    178,433.61x = 246,241.53 × 97,860.44
  4. Step 4: Simplify right side
    178,433.61x = 24,097,303,240.87
  5. Step 5: Solve for x
    x = 24,097,303,240.87/178,433.61
  6. Step 6: Final answer
    x = 135,049.13

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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.