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Finding the Fourth Proportional to 97,241.50, 145,886.89 and 27,120.81

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Solution

The fourth proportional to 97,241.50, 145,886.89 and 27,120.81 is: 40,688.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,241.50 : 145,886.89 = 27,120.81 : x
  2. Step 2: Convert to fraction form
    97,241.50/145,886.89 = 27,120.81/x
  3. Step 3: Cross multiply
    97,241.50x = 145,886.89 × 27,120.81
  4. Step 4: Simplify right side
    97,241.50x = 3,956,570,625.18
  5. Step 5: Solve for x
    x = 3,956,570,625.18/97,241.50
  6. Step 6: Final answer
    x = 40,688.09

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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.