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Finding the Fourth Proportional to 114,066.55, 157,337.70 and 73,165.93

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Solution

The fourth proportional to 114,066.55, 157,337.70 and 73,165.93 is: 100,921.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,066.55 : 157,337.70 = 73,165.93 : x
  2. Step 2: Convert to fraction form
    114,066.55/157,337.70 = 73,165.93/x
  3. Step 3: Cross multiply
    114,066.55x = 157,337.70 × 73,165.93
  4. Step 4: Simplify right side
    114,066.55x = 11,511,759,144.56
  5. Step 5: Solve for x
    x = 11,511,759,144.56/114,066.55
  6. Step 6: Final answer
    x = 100,921.43

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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.