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Finding the Fourth Proportional to 173,545.40, 260,342.40 and 73,704.80

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Solution

The fourth proportional to 173,545.40, 260,342.40 and 73,704.80 is: 110,567.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,545.40 : 260,342.40 = 73,704.80 : x
  2. Step 2: Convert to fraction form
    173,545.40/260,342.40 = 73,704.80/x
  3. Step 3: Cross multiply
    173,545.40x = 260,342.40 × 73,704.80
  4. Step 4: Simplify right side
    173,545.40x = 19,188,484,523.52
  5. Step 5: Solve for x
    x = 19,188,484,523.52/173,545.40
  6. Step 6: Final answer
    x = 110,567.52

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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.