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Finding the Fourth Proportional to 215,879.03, 297,913.70 and 119,080.55

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Solution

The fourth proportional to 215,879.03, 297,913.70 and 119,080.55 is: 164,331.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,879.03 : 297,913.70 = 119,080.55 : x
  2. Step 2: Convert to fraction form
    215,879.03/297,913.70 = 119,080.55/x
  3. Step 3: Cross multiply
    215,879.03x = 297,913.70 × 119,080.55
  4. Step 4: Simplify right side
    215,879.03x = 35,475,726,056.67
  5. Step 5: Solve for x
    x = 35,475,726,056.67/215,879.03
  6. Step 6: Final answer
    x = 164,331.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.