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Finding the Fourth Proportional to 183,313.60, 274,970.40 and 120,533.20

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Solution

The fourth proportional to 183,313.60, 274,970.40 and 120,533.20 is: 180,799.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,313.60 : 274,970.40 = 120,533.20 : x
  2. Step 2: Convert to fraction form
    183,313.60/274,970.40 = 120,533.20/x
  3. Step 3: Cross multiply
    183,313.60x = 274,970.40 × 120,533.20
  4. Step 4: Simplify right side
    183,313.60x = 33,143,062,217.28
  5. Step 5: Solve for x
    x = 33,143,062,217.28/183,313.60
  6. Step 6: Final answer
    x = 180,799.80

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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.