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Finding the Fourth Proportional to 117,644.52, 162,350.43 and 63,929.58

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Solution

The fourth proportional to 117,644.52, 162,350.43 and 63,929.58 is: 88,223.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,644.52 : 162,350.43 = 63,929.58 : x
  2. Step 2: Convert to fraction form
    117,644.52/162,350.43 = 63,929.58/x
  3. Step 3: Cross multiply
    117,644.52x = 162,350.43 × 63,929.58
  4. Step 4: Simplify right side
    117,644.52x = 10,378,994,802.72
  5. Step 5: Solve for x
    x = 10,378,994,802.72/117,644.52
  6. Step 6: Final answer
    x = 88,223.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.