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Finding the Fourth Proportional to 157,761.66, 217,716.02 and 97,334.85

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Solution

The fourth proportional to 157,761.66, 217,716.02 and 97,334.85 is: 134,325.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,761.66 : 217,716.02 = 97,334.85 : x
  2. Step 2: Convert to fraction form
    157,761.66/217,716.02 = 97,334.85/x
  3. Step 3: Cross multiply
    157,761.66x = 217,716.02 × 97,334.85
  4. Step 4: Simplify right side
    157,761.66x = 21,191,356,149.30
  5. Step 5: Solve for x
    x = 21,191,356,149.30/157,761.66
  6. Step 6: Final answer
    x = 134,325.13

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Why These Related Problems?

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