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Finding the Fourth Proportional to 160,988.30, 241,591.80 and 89,910.80

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Solution

The fourth proportional to 160,988.30, 241,591.80 and 89,910.80 is: 134,927.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,988.30 : 241,591.80 = 89,910.80 : x
  2. Step 2: Convert to fraction form
    160,988.30/241,591.80 = 89,910.80/x
  3. Step 3: Cross multiply
    160,988.30x = 241,591.80 × 89,910.80
  4. Step 4: Simplify right side
    160,988.30x = 21,721,712,011.44
  5. Step 5: Solve for x
    x = 21,721,712,011.44/160,988.30
  6. Step 6: Final answer
    x = 134,927.27

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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.