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Finding the Fourth Proportional to 144,685.48, 199,675.46 and 81,027.38

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Solution

The fourth proportional to 144,685.48, 199,675.46 and 81,027.38 is: 111,823.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,685.48 : 199,675.46 = 81,027.38 : x
  2. Step 2: Convert to fraction form
    144,685.48/199,675.46 = 81,027.38/x
  3. Step 3: Cross multiply
    144,685.48x = 199,675.46 × 81,027.38
  4. Step 4: Simplify right side
    144,685.48x = 16,179,179,374.09
  5. Step 5: Solve for x
    x = 16,179,179,374.09/144,685.48
  6. Step 6: Final answer
    x = 111,823.10

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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.