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Finding the Fourth Proportional to 160,829.40, 241,200.90 and 67,315.80

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Solution

The fourth proportional to 160,829.40, 241,200.90 and 67,315.80 is: 100,955.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,829.40 : 241,200.90 = 67,315.80 : x
  2. Step 2: Convert to fraction form
    160,829.40/241,200.90 = 67,315.80/x
  3. Step 3: Cross multiply
    160,829.40x = 241,200.90 × 67,315.80
  4. Step 4: Simplify right side
    160,829.40x = 16,236,631,544.22
  5. Step 5: Solve for x
    x = 16,236,631,544.22/160,829.40
  6. Step 6: Final answer
    x = 100,955.62

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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.