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Finding the Fourth Proportional to 118,899.64, 164,098.26 and 73,592.20

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Solution

The fourth proportional to 118,899.64, 164,098.26 and 73,592.20 is: 101,567.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,899.64 : 164,098.26 = 73,592.20 : x
  2. Step 2: Convert to fraction form
    118,899.64/164,098.26 = 73,592.20/x
  3. Step 3: Cross multiply
    118,899.64x = 164,098.26 × 73,592.20
  4. Step 4: Simplify right side
    118,899.64x = 12,076,351,969.57
  5. Step 5: Solve for x
    x = 12,076,351,969.57/118,899.64
  6. Step 6: Final answer
    x = 101,567.61

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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.