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Finding the Fourth Proportional to 84,996.92, 127,509.96 and 25,838.48

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Solution

The fourth proportional to 84,996.92, 127,509.96 and 25,838.48 is: 38,762.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,996.92 : 127,509.96 = 25,838.48 : x
  2. Step 2: Convert to fraction form
    84,996.92/127,509.96 = 25,838.48/x
  3. Step 3: Cross multiply
    84,996.92x = 127,509.96 × 25,838.48
  4. Step 4: Simplify right side
    84,996.92x = 3,294,663,551.26
  5. Step 5: Solve for x
    x = 3,294,663,551.26/84,996.92
  6. Step 6: Final answer
    x = 38,762.15

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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.