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Finding the Fourth Proportional to 215,486.76, 297,392.40 and 119,993.43

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Solution

The fourth proportional to 215,486.76, 297,392.40 and 119,993.43 is: 165,602.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,486.76 : 297,392.40 = 119,993.43 : x
  2. Step 2: Convert to fraction form
    215,486.76/297,392.40 = 119,993.43/x
  3. Step 3: Cross multiply
    215,486.76x = 297,392.40 × 119,993.43
  4. Step 4: Simplify right side
    215,486.76x = 35,685,134,131.93
  5. Step 5: Solve for x
    x = 35,685,134,131.93/215,486.76
  6. Step 6: Final answer
    x = 165,602.44

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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.