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Finding the Fourth Proportional to 157,773.93, 217,729.20 and 89,796.07

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Solution

The fourth proportional to 157,773.93, 217,729.20 and 89,796.07 is: 123,919.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,773.93 : 217,729.20 = 89,796.07 : x
  2. Step 2: Convert to fraction form
    157,773.93/217,729.20 = 89,796.07/x
  3. Step 3: Cross multiply
    157,773.93x = 217,729.20 × 89,796.07
  4. Step 4: Simplify right side
    157,773.93x = 19,551,226,484.24
  5. Step 5: Solve for x
    x = 19,551,226,484.24/157,773.93
  6. Step 6: Final answer
    x = 123,919.25

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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.