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Finding the Fourth Proportional to 174,503.60, 261,755.40 and 156,788.90

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Solution

The fourth proportional to 174,503.60, 261,755.40 and 156,788.90 is: 235,183.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,503.60 : 261,755.40 = 156,788.90 : x
  2. Step 2: Convert to fraction form
    174,503.60/261,755.40 = 156,788.90/x
  3. Step 3: Cross multiply
    174,503.60x = 261,755.40 × 156,788.90
  4. Step 4: Simplify right side
    174,503.60x = 41,040,341,235.06
  5. Step 5: Solve for x
    x = 41,040,341,235.06/174,503.60
  6. Step 6: Final answer
    x = 235,183.35

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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.