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Finding the Fourth Proportional to 114,164.73, 157,543.45 and 63,179.61

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Solution

The fourth proportional to 114,164.73, 157,543.45 and 63,179.61 is: 87,185.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,164.73 : 157,543.45 = 63,179.61 : x
  2. Step 2: Convert to fraction form
    114,164.73/157,543.45 = 63,179.61/x
  3. Step 3: Cross multiply
    114,164.73x = 157,543.45 × 63,179.61
  4. Step 4: Simplify right side
    114,164.73x = 9,953,533,571.11
  5. Step 5: Solve for x
    x = 9,953,533,571.11/114,164.73
  6. Step 6: Final answer
    x = 87,185.71

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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.