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Finding the Fourth Proportional to 182,123.10, 272,893.05 and 119,720.70

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Solution

The fourth proportional to 182,123.10, 272,893.05 and 119,720.70 is: 179,389.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,123.10 : 272,893.05 = 119,720.70 : x
  2. Step 2: Convert to fraction form
    182,123.10/272,893.05 = 119,720.70/x
  3. Step 3: Cross multiply
    182,123.10x = 272,893.05 × 119,720.70
  4. Step 4: Simplify right side
    182,123.10x = 32,670,946,971.14
  5. Step 5: Solve for x
    x = 32,670,946,971.14/182,123.10
  6. Step 6: Final answer
    x = 179,389.36

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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.