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Finding the Fourth Proportional to 157,573.80, 217,500.36 and 97,163.40

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Solution

The fourth proportional to 157,573.80, 217,500.36 and 97,163.40 is: 134,115.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,573.80 : 217,500.36 = 97,163.40 : x
  2. Step 2: Convert to fraction form
    157,573.80/217,500.36 = 97,163.40/x
  3. Step 3: Cross multiply
    157,573.80x = 217,500.36 × 97,163.40
  4. Step 4: Simplify right side
    157,573.80x = 21,133,074,478.82
  5. Step 5: Solve for x
    x = 21,133,074,478.82/157,573.80
  6. Step 6: Final answer
    x = 134,115.41

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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.