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Finding the Fourth Proportional to 107,230.80, 160,846.20 and 106,539.60

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Solution

The fourth proportional to 107,230.80, 160,846.20 and 106,539.60 is: 159,809.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,230.80 : 160,846.20 = 106,539.60 : x
  2. Step 2: Convert to fraction form
    107,230.80/160,846.20 = 106,539.60/x
  3. Step 3: Cross multiply
    107,230.80x = 160,846.20 × 106,539.60
  4. Step 4: Simplify right side
    107,230.80x = 17,136,489,809.52
  5. Step 5: Solve for x
    x = 17,136,489,809.52/107,230.80
  6. Step 6: Final answer
    x = 159,809.40

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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.