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Finding the Fourth Proportional to 70,164.15, 105,172.71 and 32,693.31

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Solution

The fourth proportional to 70,164.15, 105,172.71 and 32,693.31 is: 49,005.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,164.15 : 105,172.71 = 32,693.31 : x
  2. Step 2: Convert to fraction form
    70,164.15/105,172.71 = 32,693.31/x
  3. Step 3: Cross multiply
    70,164.15x = 105,172.71 × 32,693.31
  4. Step 4: Simplify right side
    70,164.15x = 3,438,444,011.57
  5. Step 5: Solve for x
    x = 3,438,444,011.57/70,164.15
  6. Step 6: Final answer
    x = 49,005.71

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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.