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Finding the Fourth Proportional to 119,171.59, 178,748.13 and 56,005.54

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Solution

The fourth proportional to 119,171.59, 178,748.13 and 56,005.54 is: 84,003.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,171.59 : 178,748.13 = 56,005.54 : x
  2. Step 2: Convert to fraction form
    119,171.59/178,748.13 = 56,005.54/x
  3. Step 3: Cross multiply
    119,171.59x = 178,748.13 × 56,005.54
  4. Step 4: Simplify right side
    119,171.59x = 10,010,885,544.64
  5. Step 5: Solve for x
    x = 10,010,885,544.64/119,171.59
  6. Step 6: Final answer
    x = 84,003.96

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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.