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Finding the Fourth Proportional to 275,539.60, 413,212.20 and 125,851.60

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Solution

The fourth proportional to 275,539.60, 413,212.20 and 125,851.60 is: 188,733.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,539.60 : 413,212.20 = 125,851.60 : x
  2. Step 2: Convert to fraction form
    275,539.60/413,212.20 = 125,851.60/x
  3. Step 3: Cross multiply
    275,539.60x = 413,212.20 × 125,851.60
  4. Step 4: Simplify right side
    275,539.60x = 52,003,416,509.52
  5. Step 5: Solve for x
    x = 52,003,416,509.52/275,539.60
  6. Step 6: Final answer
    x = 188,733.00

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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.