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Finding the Fourth Proportional to 173,525.40, 260,115.30 and 79,867.80

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Solution

The fourth proportional to 173,525.40, 260,115.30 and 79,867.80 is: 119,722.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,525.40 : 260,115.30 = 79,867.80 : x
  2. Step 2: Convert to fraction form
    173,525.40/260,115.30 = 79,867.80/x
  3. Step 3: Cross multiply
    173,525.40x = 260,115.30 × 79,867.80
  4. Step 4: Simplify right side
    173,525.40x = 20,774,836,757.34
  5. Step 5: Solve for x
    x = 20,774,836,757.34/173,525.40
  6. Step 6: Final answer
    x = 119,722.17

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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.