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Finding the Fourth Proportional to 173,209.60, 260,008.80 and 133,940.80

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Solution

The fourth proportional to 173,209.60, 260,008.80 and 133,940.80 is: 201,061.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,209.60 : 260,008.80 = 133,940.80 : x
  2. Step 2: Convert to fraction form
    173,209.60/260,008.80 = 133,940.80/x
  3. Step 3: Cross multiply
    173,209.60x = 260,008.80 × 133,940.80
  4. Step 4: Simplify right side
    173,209.60x = 34,825,786,679.04
  5. Step 5: Solve for x
    x = 34,825,786,679.04/173,209.60
  6. Step 6: Final answer
    x = 201,061.53

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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.