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Finding the Fourth Proportional to 70,062.02, 105,090.09 and 32,609.21

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Solution

The fourth proportional to 70,062.02, 105,090.09 and 32,609.21 is: 48,912.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,062.02 : 105,090.09 = 32,609.21 : x
  2. Step 2: Convert to fraction form
    70,062.02/105,090.09 = 32,609.21/x
  3. Step 3: Cross multiply
    70,062.02x = 105,090.09 × 32,609.21
  4. Step 4: Simplify right side
    70,062.02x = 3,426,904,813.73
  5. Step 5: Solve for x
    x = 3,426,904,813.73/70,062.02
  6. Step 6: Final answer
    x = 48,912.45

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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.