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Finding the Fourth Proportional to 183,079.60, 274,158.60 and 120,410.80

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Solution

The fourth proportional to 183,079.60, 274,158.60 and 120,410.80 is: 180,313.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,079.60 : 274,158.60 = 120,410.80 : x
  2. Step 2: Convert to fraction form
    183,079.60/274,158.60 = 120,410.80/x
  3. Step 3: Cross multiply
    183,079.60x = 274,158.60 × 120,410.80
  4. Step 4: Simplify right side
    183,079.60x = 33,011,656,352.88
  5. Step 5: Solve for x
    x = 33,011,656,352.88/183,079.60
  6. Step 6: Final answer
    x = 180,313.13

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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.