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Finding the Fourth Proportional to 147,200.70, 220,829.85 and 62,960.70

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Solution

The fourth proportional to 147,200.70, 220,829.85 and 62,960.70 is: 94,453.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,200.70 : 220,829.85 = 62,960.70 : x
  2. Step 2: Convert to fraction form
    147,200.70/220,829.85 = 62,960.70/x
  3. Step 3: Cross multiply
    147,200.70x = 220,829.85 × 62,960.70
  4. Step 4: Simplify right side
    147,200.70x = 13,903,601,936.90
  5. Step 5: Solve for x
    x = 13,903,601,936.90/147,200.70
  6. Step 6: Final answer
    x = 94,453.37

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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.