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Finding the Fourth Proportional to 173,497.67, 260,272.42 and 55,172.87

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Solution

The fourth proportional to 173,497.67, 260,272.42 and 55,172.87 is: 82,767.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,497.67 : 260,272.42 = 55,172.87 : x
  2. Step 2: Convert to fraction form
    173,497.67/260,272.42 = 55,172.87/x
  3. Step 3: Cross multiply
    173,497.67x = 260,272.42 × 55,172.87
  4. Step 4: Simplify right side
    173,497.67x = 14,359,976,393.25
  5. Step 5: Solve for x
    x = 14,359,976,393.25/173,497.67
  6. Step 6: Final answer
    x = 82,767.55

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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.