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Finding the Fourth Proportional to 166,828.77, 250,243.16 and 42,169.77

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Solution

The fourth proportional to 166,828.77, 250,243.16 and 42,169.77 is: 63,254.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,828.77 : 250,243.16 = 42,169.77 : x
  2. Step 2: Convert to fraction form
    166,828.77/250,243.16 = 42,169.77/x
  3. Step 3: Cross multiply
    166,828.77x = 250,243.16 × 42,169.77
  4. Step 4: Simplify right side
    166,828.77x = 10,552,696,290.42
  5. Step 5: Solve for x
    x = 10,552,696,290.42/166,828.77
  6. Step 6: Final answer
    x = 63,254.66

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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.