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Finding the Fourth Proportional to 72,063, 108,066.96 and 34,612.38

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Solution

The fourth proportional to 72,063, 108,066.96 and 34,612.38 is: 51,905.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,063 : 108,066.96 = 34,612.38 : x
  2. Step 2: Convert to fraction form
    72,063/108,066.96 = 34,612.38/x
  3. Step 3: Cross multiply
    72,063x = 108,066.96 × 34,612.38
  4. Step 4: Simplify right side
    72,063x = 3,740,454,684.96
  5. Step 5: Solve for x
    x = 3,740,454,684.96/72,063
  6. Step 6: Final answer
    x = 51,905.34

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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.