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Finding the Fourth Proportional to 173,379, 260,121.66 and 155,496.66

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Solution

The fourth proportional to 173,379, 260,121.66 and 155,496.66 is: 233,292.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,379 : 260,121.66 = 155,496.66 : x
  2. Step 2: Convert to fraction form
    173,379/260,121.66 = 155,496.66/x
  3. Step 3: Cross multiply
    173,379x = 260,121.66 × 155,496.66
  4. Step 4: Simplify right side
    173,379x = 40,448,049,323.66
  5. Step 5: Solve for x
    x = 40,448,049,323.66/173,379
  6. Step 6: Final answer
    x = 233,292.67

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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.