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Finding the Fourth Proportional to 160,986.30, 241,588.80 and 89,908.80

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Solution

The fourth proportional to 160,986.30, 241,588.80 and 89,908.80 is: 134,924.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,986.30 : 241,588.80 = 89,908.80 : x
  2. Step 2: Convert to fraction form
    160,986.30/241,588.80 = 89,908.80/x
  3. Step 3: Cross multiply
    160,986.30x = 241,588.80 × 89,908.80
  4. Step 4: Simplify right side
    160,986.30x = 21,720,959,101.44
  5. Step 5: Solve for x
    x = 21,720,959,101.44/160,986.30
  6. Step 6: Final answer
    x = 134,924.27

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1.5x scale

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.