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Finding the Fourth Proportional to 203,495.60, 305,243.40 and 92,903.60

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Solution

The fourth proportional to 203,495.60, 305,243.40 and 92,903.60 is: 139,355.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,495.60 : 305,243.40 = 92,903.60 : x
  2. Step 2: Convert to fraction form
    203,495.60/305,243.40 = 92,903.60/x
  3. Step 3: Cross multiply
    203,495.60x = 305,243.40 × 92,903.60
  4. Step 4: Simplify right side
    203,495.60x = 28,358,210,736.24
  5. Step 5: Solve for x
    x = 28,358,210,736.24/203,495.60
  6. Step 6: Final answer
    x = 139,355.40

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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.