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Finding the Fourth Proportional to 242,669.20, 363,744.60 and 92,851.60

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Solution

The fourth proportional to 242,669.20, 363,744.60 and 92,851.60 is: 139,178.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,669.20 : 363,744.60 = 92,851.60 : x
  2. Step 2: Convert to fraction form
    242,669.20/363,744.60 = 92,851.60/x
  3. Step 3: Cross multiply
    242,669.20x = 363,744.60 × 92,851.60
  4. Step 4: Simplify right side
    242,669.20x = 33,774,268,101.36
  5. Step 5: Solve for x
    x = 33,774,268,101.36/242,669.20
  6. Step 6: Final answer
    x = 139,178.22

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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.