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Finding the Fourth Proportional to 178,937.56, 268,339.92 and 52,543

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Solution

The fourth proportional to 178,937.56, 268,339.92 and 52,543 is: 78,795.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,937.56 : 268,339.92 = 52,543 : x
  2. Step 2: Convert to fraction form
    178,937.56/268,339.92 = 52,543/x
  3. Step 3: Cross multiply
    178,937.56x = 268,339.92 × 52,543
  4. Step 4: Simplify right side
    178,937.56x = 14,099,384,416.56
  5. Step 5: Solve for x
    x = 14,099,384,416.56/178,937.56
  6. Step 6: Final answer
    x = 78,795.00

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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.