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Finding the Fourth Proportional to 355,993.04, 533,989.56 and 119,268.56

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Solution

The fourth proportional to 355,993.04, 533,989.56 and 119,268.56 is: 178,902.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,993.04 : 533,989.56 = 119,268.56 : x
  2. Step 2: Convert to fraction form
    355,993.04/533,989.56 = 119,268.56/x
  3. Step 3: Cross multiply
    355,993.04x = 533,989.56 × 119,268.56
  4. Step 4: Simplify right side
    355,993.04x = 63,688,165,876.23
  5. Step 5: Solve for x
    x = 63,688,165,876.23/355,993.04
  6. Step 6: Final answer
    x = 178,902.84

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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.