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Finding the Fourth Proportional to 116,240.80, 174,361.20 and 42,351.52

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Solution

The fourth proportional to 116,240.80, 174,361.20 and 42,351.52 is: 63,527.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,240.80 : 174,361.20 = 42,351.52 : x
  2. Step 2: Convert to fraction form
    116,240.80/174,361.20 = 42,351.52/x
  3. Step 3: Cross multiply
    116,240.80x = 174,361.20 × 42,351.52
  4. Step 4: Simplify right side
    116,240.80x = 7,384,461,849.02
  5. Step 5: Solve for x
    x = 7,384,461,849.02/116,240.80
  6. Step 6: Final answer
    x = 63,527.28

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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.