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Finding the Fourth Proportional to 167,703.15, 251,501.31 and 55,362.45

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Solution

The fourth proportional to 167,703.15, 251,501.31 and 55,362.45 is: 83,026.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,703.15 : 251,501.31 = 55,362.45 : x
  2. Step 2: Convert to fraction form
    167,703.15/251,501.31 = 55,362.45/x
  3. Step 3: Cross multiply
    167,703.15x = 251,501.31 × 55,362.45
  4. Step 4: Simplify right side
    167,703.15x = 13,923,728,699.81
  5. Step 5: Solve for x
    x = 13,923,728,699.81/167,703.15
  6. Step 6: Final answer
    x = 83,026.04

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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.