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Finding the Fourth Proportional to 184,970.40, 277,455.60 and 66,645.60

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Solution

The fourth proportional to 184,970.40, 277,455.60 and 66,645.60 is: 99,968.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,970.40 : 277,455.60 = 66,645.60 : x
  2. Step 2: Convert to fraction form
    184,970.40/277,455.60 = 66,645.60/x
  3. Step 3: Cross multiply
    184,970.40x = 277,455.60 × 66,645.60
  4. Step 4: Simplify right side
    184,970.40x = 18,491,194,935.36
  5. Step 5: Solve for x
    x = 18,491,194,935.36/184,970.40
  6. Step 6: Final answer
    x = 99,968.40

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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.