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Finding the Fourth Proportional to 185,173.64, 277,703.06 and 66,829.60

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Solution

The fourth proportional to 185,173.64, 277,703.06 and 66,829.60 is: 100,223.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,173.64 : 277,703.06 = 66,829.60 : x
  2. Step 2: Convert to fraction form
    185,173.64/277,703.06 = 66,829.60/x
  3. Step 3: Cross multiply
    185,173.64x = 277,703.06 × 66,829.60
  4. Step 4: Simplify right side
    185,173.64x = 18,558,784,418.58
  5. Step 5: Solve for x
    x = 18,558,784,418.58/185,173.64
  6. Step 6: Final answer
    x = 100,223.68

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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.