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Finding the Fourth Proportional to 171,164.61, 256,684.01 and 58,812.93

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Solution

The fourth proportional to 171,164.61, 256,684.01 and 58,812.93 is: 88,197.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,164.61 : 256,684.01 = 58,812.93 : x
  2. Step 2: Convert to fraction form
    171,164.61/256,684.01 = 58,812.93/x
  3. Step 3: Cross multiply
    171,164.61x = 256,684.01 × 58,812.93
  4. Step 4: Simplify right side
    171,164.61x = 15,096,338,418.18
  5. Step 5: Solve for x
    x = 15,096,338,418.18/171,164.61
  6. Step 6: Final answer
    x = 88,197.78

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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.