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Finding the Fourth Proportional to 341,081.64, 470,686.26 and 188,134.11

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Solution

The fourth proportional to 341,081.64, 470,686.26 and 188,134.11 is: 259,621.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,081.64 : 470,686.26 = 188,134.11 : x
  2. Step 2: Convert to fraction form
    341,081.64/470,686.26 = 188,134.11/x
  3. Step 3: Cross multiply
    341,081.64x = 470,686.26 × 188,134.11
  4. Step 4: Simplify right side
    341,081.64x = 88,552,140,614.33
  5. Step 5: Solve for x
    x = 88,552,140,614.33/341,081.64
  6. Step 6: Final answer
    x = 259,621.54

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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.