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Finding the Fourth Proportional to 167,172.66, 250,602.99 and 65,971.55

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Solution

The fourth proportional to 167,172.66, 250,602.99 and 65,971.55 is: 98,895.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,172.66 : 250,602.99 = 65,971.55 : x
  2. Step 2: Convert to fraction form
    167,172.66/250,602.99 = 65,971.55/x
  3. Step 3: Cross multiply
    167,172.66x = 250,602.99 × 65,971.55
  4. Step 4: Simplify right side
    167,172.66x = 16,532,667,684.93
  5. Step 5: Solve for x
    x = 16,532,667,684.93/167,172.66
  6. Step 6: Final answer
    x = 98,895.76

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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.