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Finding the Fourth Proportional to 118,859.24, 164,004.90 and 67,848.68

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Solution

The fourth proportional to 118,859.24, 164,004.90 and 67,848.68 is: 93,619.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,859.24 : 164,004.90 = 67,848.68 : x
  2. Step 2: Convert to fraction form
    118,859.24/164,004.90 = 67,848.68/x
  3. Step 3: Cross multiply
    118,859.24x = 164,004.90 × 67,848.68
  4. Step 4: Simplify right side
    118,859.24x = 11,127,515,978.53
  5. Step 5: Solve for x
    x = 11,127,515,978.53/118,859.24
  6. Step 6: Final answer
    x = 93,619.28

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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.