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Finding the Fourth Proportional to 114,153.93, 171,274.64 and 43,071.57

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Solution

The fourth proportional to 114,153.93, 171,274.64 and 43,071.57 is: 64,623.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,153.93 : 171,274.64 = 43,071.57 : x
  2. Step 2: Convert to fraction form
    114,153.93/171,274.64 = 43,071.57/x
  3. Step 3: Cross multiply
    114,153.93x = 171,274.64 × 43,071.57
  4. Step 4: Simplify right side
    114,153.93x = 7,377,067,430.63
  5. Step 5: Solve for x
    x = 7,377,067,430.63/114,153.93
  6. Step 6: Final answer
    x = 64,623.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.