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Finding the Fourth Proportional to 199,661.60, 299,492.40 and 184,455.20

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Solution

The fourth proportional to 199,661.60, 299,492.40 and 184,455.20 is: 276,682.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,661.60 : 299,492.40 = 184,455.20 : x
  2. Step 2: Convert to fraction form
    199,661.60/299,492.40 = 184,455.20/x
  3. Step 3: Cross multiply
    199,661.60x = 299,492.40 × 184,455.20
  4. Step 4: Simplify right side
    199,661.60x = 55,242,930,540.48
  5. Step 5: Solve for x
    x = 55,242,930,540.48/199,661.60
  6. Step 6: Final answer
    x = 276,682.80

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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.