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Finding the Fourth Proportional to 95,780, 143,693.04 and 30,116

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Solution

The fourth proportional to 95,780, 143,693.04 and 30,116 is: 45,181.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,780 : 143,693.04 = 30,116 : x
  2. Step 2: Convert to fraction form
    95,780/143,693.04 = 30,116/x
  3. Step 3: Cross multiply
    95,780x = 143,693.04 × 30,116
  4. Step 4: Simplify right side
    95,780x = 4,327,459,592.64
  5. Step 5: Solve for x
    x = 4,327,459,592.64/95,780
  6. Step 6: Final answer
    x = 45,181.24

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.