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Finding the Fourth Proportional to 402,372.73, 603,652.52 and 118,051.80

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Solution

The fourth proportional to 402,372.73, 603,652.52 and 118,051.80 is: 177,105.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,372.73 : 603,652.52 = 118,051.80 : x
  2. Step 2: Convert to fraction form
    402,372.73/603,652.52 = 118,051.80/x
  3. Step 3: Cross multiply
    402,372.73x = 603,652.52 × 118,051.80
  4. Step 4: Simplify right side
    402,372.73x = 71,262,264,591.97
  5. Step 5: Solve for x
    x = 71,262,264,591.97/402,372.73
  6. Step 6: Final answer
    x = 177,105.10

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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.