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Finding the Fourth Proportional to 234,484.86, 351,724.23 and 56,991.36

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Solution

The fourth proportional to 234,484.86, 351,724.23 and 56,991.36 is: 85,486.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,484.86 : 351,724.23 = 56,991.36 : x
  2. Step 2: Convert to fraction form
    234,484.86/351,724.23 = 56,991.36/x
  3. Step 3: Cross multiply
    234,484.86x = 351,724.23 × 56,991.36
  4. Step 4: Simplify right side
    234,484.86x = 20,045,242,212.65
  5. Step 5: Solve for x
    x = 20,045,242,212.65/234,484.86
  6. Step 6: Final answer
    x = 85,486.30

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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.