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Finding the Fourth Proportional to 173,553.60, 260,265.60 and 120,806.40

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Solution

The fourth proportional to 173,553.60, 260,265.60 and 120,806.40 is: 181,164.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,553.60 : 260,265.60 = 120,806.40 : x
  2. Step 2: Convert to fraction form
    173,553.60/260,265.60 = 120,806.40/x
  3. Step 3: Cross multiply
    173,553.60x = 260,265.60 × 120,806.40
  4. Step 4: Simplify right side
    173,553.60x = 31,441,750,179.84
  5. Step 5: Solve for x
    x = 31,441,750,179.84/173,553.60
  6. Step 6: Final answer
    x = 181,164.49

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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.