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Finding the Fourth Proportional to 178,181.43, 245,890.45 and 97,611.87

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Solution

The fourth proportional to 178,181.43, 245,890.45 and 97,611.87 is: 134,704.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,181.43 : 245,890.45 = 97,611.87 : x
  2. Step 2: Convert to fraction form
    178,181.43/245,890.45 = 97,611.87/x
  3. Step 3: Cross multiply
    178,181.43x = 245,890.45 × 97,611.87
  4. Step 4: Simplify right side
    178,181.43x = 24,001,826,639.64
  5. Step 5: Solve for x
    x = 24,001,826,639.64/178,181.43
  6. Step 6: Final answer
    x = 134,704.42

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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.