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Finding the Fourth Proportional to 134,906.80, 202,230.60 and 104,904.40

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Solution

The fourth proportional to 134,906.80, 202,230.60 and 104,904.40 is: 157,255.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,906.80 : 202,230.60 = 104,904.40 : x
  2. Step 2: Convert to fraction form
    134,906.80/202,230.60 = 104,904.40/x
  3. Step 3: Cross multiply
    134,906.80x = 202,230.60 × 104,904.40
  4. Step 4: Simplify right side
    134,906.80x = 21,214,879,754.64
  5. Step 5: Solve for x
    x = 21,214,879,754.64/134,906.80
  6. Step 6: Final answer
    x = 157,255.82

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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.