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Finding the Fourth Proportional to 194,487.10, 291,752.54 and 61,327.96

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Solution

The fourth proportional to 194,487.10, 291,752.54 and 61,327.96 is: 91,998.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,487.10 : 291,752.54 = 61,327.96 : x
  2. Step 2: Convert to fraction form
    194,487.10/291,752.54 = 61,327.96/x
  3. Step 3: Cross multiply
    194,487.10x = 291,752.54 × 61,327.96
  4. Step 4: Simplify right side
    194,487.10x = 17,892,588,103.02
  5. Step 5: Solve for x
    x = 17,892,588,103.02/194,487.10
  6. Step 6: Final answer
    x = 91,998.84

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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.