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Finding the Fourth Proportional to 199,832.40, 299,748.60 and 155,217.60

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Solution

The fourth proportional to 199,832.40, 299,748.60 and 155,217.60 is: 232,826.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,832.40 : 299,748.60 = 155,217.60 : x
  2. Step 2: Convert to fraction form
    199,832.40/299,748.60 = 155,217.60/x
  3. Step 3: Cross multiply
    199,832.40x = 299,748.60 × 155,217.60
  4. Step 4: Simplify right side
    199,832.40x = 46,526,258,295.36
  5. Step 5: Solve for x
    x = 46,526,258,295.36/199,832.40
  6. Step 6: Final answer
    x = 232,826.40

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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.