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Finding the Fourth Proportional to 173,827.60, 260,770.20 and 74,035.60

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Solution

The fourth proportional to 173,827.60, 260,770.20 and 74,035.60 is: 111,065.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,827.60 : 260,770.20 = 74,035.60 : x
  2. Step 2: Convert to fraction form
    173,827.60/260,770.20 = 74,035.60/x
  3. Step 3: Cross multiply
    173,827.60x = 260,770.20 × 74,035.60
  4. Step 4: Simplify right side
    173,827.60x = 19,306,278,219.12
  5. Step 5: Solve for x
    x = 19,306,278,219.12/173,827.60
  6. Step 6: Final answer
    x = 111,065.67

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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.