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Finding the Fourth Proportional to 177,404.64, 244,816.44 and 100,921.96

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Solution

The fourth proportional to 177,404.64, 244,816.44 and 100,921.96 is: 139,271.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,404.64 : 244,816.44 = 100,921.96 : x
  2. Step 2: Convert to fraction form
    177,404.64/244,816.44 = 100,921.96/x
  3. Step 3: Cross multiply
    177,404.64x = 244,816.44 × 100,921.96
  4. Step 4: Simplify right side
    177,404.64x = 24,707,354,965.02
  5. Step 5: Solve for x
    x = 24,707,354,965.02/177,404.64
  6. Step 6: Final answer
    x = 139,271.19

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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.