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Finding the Fourth Proportional to 183,077.60, 274,155.60 and 120,408.80

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Solution

The fourth proportional to 183,077.60, 274,155.60 and 120,408.80 is: 180,310.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,077.60 : 274,155.60 = 120,408.80 : x
  2. Step 2: Convert to fraction form
    183,077.60/274,155.60 = 120,408.80/x
  3. Step 3: Cross multiply
    183,077.60x = 274,155.60 × 120,408.80
  4. Step 4: Simplify right side
    183,077.60x = 33,010,746,809.28
  5. Step 5: Solve for x
    x = 33,010,746,809.28/183,077.60
  6. Step 6: Final answer
    x = 180,310.14

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1.5x scale

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.