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Finding the Fourth Proportional to 144,816.75, 199,637.73 and 101,664.84

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Solution

The fourth proportional to 144,816.75, 199,637.73 and 101,664.84 is: 140,150.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,816.75 : 199,637.73 = 101,664.84 : x
  2. Step 2: Convert to fraction form
    144,816.75/199,637.73 = 101,664.84/x
  3. Step 3: Cross multiply
    144,816.75x = 199,637.73 × 101,664.84
  4. Step 4: Simplify right side
    144,816.75x = 20,296,137,878.41
  5. Step 5: Solve for x
    x = 20,296,137,878.41/144,816.75
  6. Step 6: Final answer
    x = 140,150.49

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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.