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Finding the Fourth Proportional to 174,873.88, 241,317.42 and 99,420.76

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Solution

The fourth proportional to 174,873.88, 241,317.42 and 99,420.76 is: 137,195.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,873.88 : 241,317.42 = 99,420.76 : x
  2. Step 2: Convert to fraction form
    174,873.88/241,317.42 = 99,420.76/x
  3. Step 3: Cross multiply
    174,873.88x = 241,317.42 × 99,420.76
  4. Step 4: Simplify right side
    174,873.88x = 23,991,961,297.64
  5. Step 5: Solve for x
    x = 23,991,961,297.64/174,873.88
  6. Step 6: Final answer
    x = 137,195.80

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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.