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Finding the Fourth Proportional to 164,536.78, 246,805.17 and 39,877.78

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Solution

The fourth proportional to 164,536.78, 246,805.17 and 39,877.78 is: 59,816.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,536.78 : 246,805.17 = 39,877.78 : x
  2. Step 2: Convert to fraction form
    164,536.78/246,805.17 = 39,877.78/x
  3. Step 3: Cross multiply
    164,536.78x = 246,805.17 × 39,877.78
  4. Step 4: Simplify right side
    164,536.78x = 9,842,042,730.17
  5. Step 5: Solve for x
    x = 9,842,042,730.17/164,536.78
  6. Step 6: Final answer
    x = 59,816.67

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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.