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Finding the Fourth Proportional to 70,359.87, 97,097.76 and 38,528.22

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Solution

The fourth proportional to 70,359.87, 97,097.76 and 38,528.22 is: 53,169.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,359.87 : 97,097.76 = 38,528.22 : x
  2. Step 2: Convert to fraction form
    70,359.87/97,097.76 = 38,528.22/x
  3. Step 3: Cross multiply
    70,359.87x = 97,097.76 × 38,528.22
  4. Step 4: Simplify right side
    70,359.87x = 3,741,003,858.79
  5. Step 5: Solve for x
    x = 3,741,003,858.79/70,359.87
  6. Step 6: Final answer
    x = 53,169.57

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.