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Finding the Fourth Proportional to 167,835, 251,665.92 and 49,490.96

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Solution

The fourth proportional to 167,835, 251,665.92 and 49,490.96 is: 74,210.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,835 : 251,665.92 = 49,490.96 : x
  2. Step 2: Convert to fraction form
    167,835/251,665.92 = 49,490.96/x
  3. Step 3: Cross multiply
    167,835x = 251,665.92 × 49,490.96
  4. Step 4: Simplify right side
    167,835x = 12,455,187,980.08
  5. Step 5: Solve for x
    x = 12,455,187,980.08/167,835
  6. Step 6: Final answer
    x = 74,210.91

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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.