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Finding the Fourth Proportional to 174,808.50, 241,236 and 99,357

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Solution

The fourth proportional to 174,808.50, 241,236 and 99,357 is: 137,112.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,808.50 : 241,236 = 99,357 : x
  2. Step 2: Convert to fraction form
    174,808.50/241,236 = 99,357/x
  3. Step 3: Cross multiply
    174,808.50x = 241,236 × 99,357
  4. Step 4: Simplify right side
    174,808.50x = 23,968,485,252
  5. Step 5: Solve for x
    x = 23,968,485,252/174,808.50
  6. Step 6: Final answer
    x = 137,112.81

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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.