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Finding the Fourth Proportional to 173,428.68, 260,168.40 and 73,588.80

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Solution

The fourth proportional to 173,428.68, 260,168.40 and 73,588.80 is: 110,393.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,428.68 : 260,168.40 = 73,588.80 : x
  2. Step 2: Convert to fraction form
    173,428.68/260,168.40 = 73,588.80/x
  3. Step 3: Cross multiply
    173,428.68x = 260,168.40 × 73,588.80
  4. Step 4: Simplify right side
    173,428.68x = 19,145,480,353.92
  5. Step 5: Solve for x
    x = 19,145,480,353.92/173,428.68
  6. Step 6: Final answer
    x = 110,393.97

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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.