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Finding the Fourth Proportional to 101,984.80, 152,827.80 and 91,454.80

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Solution

The fourth proportional to 101,984.80, 152,827.80 and 91,454.80 is: 137,048.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,984.80 : 152,827.80 = 91,454.80 : x
  2. Step 2: Convert to fraction form
    101,984.80/152,827.80 = 91,454.80/x
  3. Step 3: Cross multiply
    101,984.80x = 152,827.80 × 91,454.80
  4. Step 4: Simplify right side
    101,984.80x = 13,976,835,883.44
  5. Step 5: Solve for x
    x = 13,976,835,883.44/101,984.80
  6. Step 6: Final answer
    x = 137,048.23

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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.