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Finding the Fourth Proportional to 174,535.40, 261,827.40 and 74,694.80

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Solution

The fourth proportional to 174,535.40, 261,827.40 and 74,694.80 is: 112,052.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,535.40 : 261,827.40 = 74,694.80 : x
  2. Step 2: Convert to fraction form
    174,535.40/261,827.40 = 74,694.80/x
  3. Step 3: Cross multiply
    174,535.40x = 261,827.40 × 74,694.80
  4. Step 4: Simplify right side
    174,535.40x = 19,557,145,277.52
  5. Step 5: Solve for x
    x = 19,557,145,277.52/174,535.40
  6. Step 6: Final answer
    x = 112,052.60

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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.