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Finding the Fourth Proportional to 136,749.60, 205,124.40 and 134,906.40

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Solution

The fourth proportional to 136,749.60, 205,124.40 and 134,906.40 is: 202,359.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,749.60 : 205,124.40 = 134,906.40 : x
  2. Step 2: Convert to fraction form
    136,749.60/205,124.40 = 134,906.40/x
  3. Step 3: Cross multiply
    136,749.60x = 205,124.40 × 134,906.40
  4. Step 4: Simplify right side
    136,749.60x = 27,672,594,356.16
  5. Step 5: Solve for x
    x = 27,672,594,356.16/136,749.60
  6. Step 6: Final answer
    x = 202,359.60

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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.