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Finding the Fourth Proportional to 171,172.73, 256,773.81 and 44,812.46

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Solution

The fourth proportional to 171,172.73, 256,773.81 and 44,812.46 is: 67,222.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,172.73 : 256,773.81 = 44,812.46 : x
  2. Step 2: Convert to fraction form
    171,172.73/256,773.81 = 44,812.46/x
  3. Step 3: Cross multiply
    171,172.73x = 256,773.81 × 44,812.46
  4. Step 4: Simplify right side
    171,172.73x = 11,506,666,089.67
  5. Step 5: Solve for x
    x = 11,506,666,089.67/171,172.73
  6. Step 6: Final answer
    x = 67,222.54

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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.