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Finding the Fourth Proportional to 114,273.55, 157,706.46 and 65,891.04

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Solution

The fourth proportional to 114,273.55, 157,706.46 and 65,891.04 is: 90,934.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,273.55 : 157,706.46 = 65,891.04 : x
  2. Step 2: Convert to fraction form
    114,273.55/157,706.46 = 65,891.04/x
  3. Step 3: Cross multiply
    114,273.55x = 157,706.46 × 65,891.04
  4. Step 4: Simplify right side
    114,273.55x = 10,391,442,072.72
  5. Step 5: Solve for x
    x = 10,391,442,072.72/114,273.55
  6. Step 6: Final answer
    x = 90,934.80

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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.