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Finding the Fourth Proportional to 144,573.80, 199,504.01 and 80,899.29

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Solution

The fourth proportional to 144,573.80, 199,504.01 and 80,899.29 is: 111,636.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,573.80 : 199,504.01 = 80,899.29 : x
  2. Step 2: Convert to fraction form
    144,573.80/199,504.01 = 80,899.29/x
  3. Step 3: Cross multiply
    144,573.80x = 199,504.01 × 80,899.29
  4. Step 4: Simplify right side
    144,573.80x = 16,139,732,963.40
  5. Step 5: Solve for x
    x = 16,139,732,963.40/144,573.80
  6. Step 6: Final answer
    x = 111,636.64

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1.5x scale

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.