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Finding the Fourth Proportional to 164,362.12, 246,542.64 and 39,703.12

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Solution

The fourth proportional to 164,362.12, 246,542.64 and 39,703.12 is: 59,554.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,362.12 : 246,542.64 = 39,703.12 : x
  2. Step 2: Convert to fraction form
    164,362.12/246,542.64 = 39,703.12/x
  3. Step 3: Cross multiply
    164,362.12x = 246,542.64 × 39,703.12
  4. Step 4: Simplify right side
    164,362.12x = 9,788,512,021.04
  5. Step 5: Solve for x
    x = 9,788,512,021.04/164,362.12
  6. Step 6: Final answer
    x = 59,554.55

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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.