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Finding the Fourth Proportional to 173,829.60, 260,938.80 and 162,408.60

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Solution

The fourth proportional to 173,829.60, 260,938.80 and 162,408.60 is: 243,794.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,829.60 : 260,938.80 = 162,408.60 : x
  2. Step 2: Convert to fraction form
    173,829.60/260,938.80 = 162,408.60/x
  3. Step 3: Cross multiply
    173,829.60x = 260,938.80 × 162,408.60
  4. Step 4: Simplify right side
    173,829.60x = 42,378,705,193.68
  5. Step 5: Solve for x
    x = 42,378,705,193.68/173,829.60
  6. Step 6: Final answer
    x = 243,794.53

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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.