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Finding the Fourth Proportional to 114,692.60, 158,285.76 and 63,715.24

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Solution

The fourth proportional to 114,692.60, 158,285.76 and 63,715.24 is: 87,932.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,692.60 : 158,285.76 = 63,715.24 : x
  2. Step 2: Convert to fraction form
    114,692.60/158,285.76 = 63,715.24/x
  3. Step 3: Cross multiply
    114,692.60x = 158,285.76 × 63,715.24
  4. Step 4: Simplify right side
    114,692.60x = 10,085,215,186.98
  5. Step 5: Solve for x
    x = 10,085,215,186.98/114,692.60
  6. Step 6: Final answer
    x = 87,932.57

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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.