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Finding the Fourth Proportional to 143,185.96, 214,762.26 and 38,013.10

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Solution

The fourth proportional to 143,185.96, 214,762.26 and 38,013.10 is: 57,015.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,185.96 : 214,762.26 = 38,013.10 : x
  2. Step 2: Convert to fraction form
    143,185.96/214,762.26 = 38,013.10/x
  3. Step 3: Cross multiply
    143,185.96x = 214,762.26 × 38,013.10
  4. Step 4: Simplify right side
    143,185.96x = 8,163,779,265.61
  5. Step 5: Solve for x
    x = 8,163,779,265.61/143,185.96
  6. Step 6: Final answer
    x = 57,015.22

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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.