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Finding the Fourth Proportional to 242,484.40, 363,553.80 and 109,255.60

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Solution

The fourth proportional to 242,484.40, 363,553.80 and 109,255.60 is: 163,805.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,484.40 : 363,553.80 = 109,255.60 : x
  2. Step 2: Convert to fraction form
    242,484.40/363,553.80 = 109,255.60/x
  3. Step 3: Cross multiply
    242,484.40x = 363,553.80 × 109,255.60
  4. Step 4: Simplify right side
    242,484.40x = 39,720,288,551.28
  5. Step 5: Solve for x
    x = 39,720,288,551.28/242,484.40
  6. Step 6: Final answer
    x = 163,805.54

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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.