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Finding the Fourth Proportional to 114,494.94, 157,997.46 and 63,509.70

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Solution

The fourth proportional to 114,494.94, 157,997.46 and 63,509.70 is: 87,640.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,494.94 : 157,997.46 = 63,509.70 : x
  2. Step 2: Convert to fraction form
    114,494.94/157,997.46 = 63,509.70/x
  3. Step 3: Cross multiply
    114,494.94x = 157,997.46 × 63,509.70
  4. Step 4: Simplify right side
    114,494.94x = 10,034,371,285.36
  5. Step 5: Solve for x
    x = 10,034,371,285.36/114,494.94
  6. Step 6: Final answer
    x = 87,640.30

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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.